[法] 水域生态系统

aquatic ecosystem的用法和样例:

例句

  1. Further complicating this issue is the need to maintain healthy aquatic ecosystems.更为复杂的问题在于保持健康的水生生态系统的需要。
  2. The result showed that the pollution of the waterbody exerted agreat disadvantageous effect to the Haihe River ecosystem.结果表明,水体污染已经对海河水生生态系统产生了明显的有害影响。

Unit 3 We're trying to save the manatees! [00:08.18]Section A [00:10.09]Language Goal [00:11.86]Debate an issue [00:14.26]1a Here are some words that describe animals [00:20.53]Write these words in the boxes below. [00:24.48]Then write other words yo

发表于:2018-12-10 / 阅读(220) / 评论(0) 分类 初中英语山东版九年级(全一册)

Hippos Called River Life Force 河马创造了河流生命力 A new study says the hippopotamus is very important to the health of Africas rivers and lakes. Thats because hippos produce a key ingredient for aquatic life -- and a lot of it. But resear

发表于:2018-12-16 / 阅读(86) / 评论(0) 分类 VOA标准英语2015年(四月)

Imagine a world without elephants. Not only would we have lost one of the planets most charismatic, extraordinary creatures. Also gone would be a network of ecosystem engineersbecause elephants are crucial for other creatures to exist. They disperse

发表于:2018-12-18 / 阅读(134) / 评论(0) 分类 2016年Scientific American(十)月

Water is the source of life, a key factor in development and the essence of a harmonious ecosystem. With China's water environment deteriorating, and growing competition for water resources causing more disputes, both authorities and NGOs are realizi

发表于:2018-12-19 / 阅读(102) / 评论(0) 分类 世界各地新闻集锦

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? Youve probably heard about mercury contamination in fish. But a new study says that the toxin has climbed out of the water. Researchers from the College of William Mar

发表于:2018-12-24 / 阅读(108) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will take just a minute. Whats in a neck? Well, its a good place to hang a pendant or a tie. Or to rest your head. Now scientists say that by separating our heads from our bodies,

发表于:2018-12-24 / 阅读(86) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr

发表于:2018-12-24 / 阅读(126) / 评论(0) 分类 Scientific American(五)月

egalodon, 50 tons of pure menace in the body of a monster shark, dwarfing today's Great White. 巨齿鲨,体重达五十吨,这怪兽般的鲨鱼无比凶残,让现在的大白鲨相形见绌。 Step by step, science expands the evidence to sho

发表于:2018-12-28 / 阅读(107) / 评论(0) 分类 侏罗纪搏击俱乐部

Snow, rain pushes China's farm produce prices up BEIJING, Nov.6 (Xinhua) -- Rain and snow in China's north have driven farm produce prices slightly up in 36 large and medium-sized cities, the Ministry of Commerce (MOC) said Tuesday. In the week endin

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A acceptable daily intake (ADI) 每人每日容许摄入量 acclimatization 气候适应 accumulate 蓄积 acetylandromedol 乙酰柽木醇毒 acceptable risk level 可接受的危险水平 acid-forming food 成酸性食品 Achromobacterium 无色菌属 Act for preventing the adulterati

发表于:2019-01-08 / 阅读(234) / 评论(0) 分类 英文语法词汇

AS IT IS 2015-05-03 Hippos: The Life Force of African Rivers 河马:非洲河流的生命力量 The hippopotamus is an animal very important to the health of Africa's rivers and lakes. Their dung, or solid waste, helps Africas aquatic ecosystem. But

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By Malcolm Brown Washington, D.C. 24 November 2006 watch Snakehead report An aquatic interloper appears to have adjusted easily to life in the Potomac River system near Washington, DC -- far from its native Asia, where it is regarded as a delicacy.

发表于:2019-01-12 / 阅读(162) / 评论(0) 分类 2006年VOA标准英语(十一月)

Asian Carp now outnumber native fish in many areas of the United States and their expansion particularly threatens the fragile ecosystems of the Great Lakes. In an effort to control algae growth, catfish farmers in the southern United States introduc

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 VOA标准英语2010年(七)月

Kenya's ocean waters are home to five out of the world's eight species of turtles. All are classified as either endangered or critically endangered, and are threatened by poaching, fishing nets, development and pollution. The conservation groups Wata

发表于:2019-01-13 / 阅读(131) / 评论(0) 分类 VOA标准英语2010年(七)月

Scientists race against time to train people to de-oil birds Nathan King | Dauphin Island, Alabama 19 May 2010 As oil from that major spill in the Gulf of Mexico reaches land, scientists are in a race against time. Just off the Alabama coast, on Daup

发表于:2019-01-13 / 阅读(89) / 评论(0) 分类 VOA标准英语2010年(五)月

From Lie to me to CSI, from food safety to new clean power, science can take place either in a bacteria-free lab or in our daily lives. But this week, we can have close contact with science at the Beijing Science Festival. Our reporter Li Dong has th

发表于:2019-01-19 / 阅读(125) / 评论(0) 分类 世界各地新闻集锦

Love them or hate them, Crocs the rubber clogs that started out in 2002 as boater-floaters for Jimmy Buffett types in Florida but have now sold more than 300 million pairs in 90 countries are here to stay. 卡洛驰于2002年创建在佛罗里达,当

发表于:2019-02-03 / 阅读(99) / 评论(0) 分类 阅读空间

BEIJING, Feb. 16 (Xinhua) -- The Penglai 19-3 oilfield, which experienced a severe oil leak in 2011, has been given official permission to resume operations, according to the State Oceanic Administration (SOA). The SOA said in a Saturday statement th

发表于:2019-02-08 / 阅读(142) / 评论(0) 分类 英语新闻

BEIJING, Aug. 21 (Xinhua) -- Prices of farm produce in China have inched up for the fifth straight week during the week ending August 19, the Ministry of Commerce said Tuesday. The wholesale cost of 18 types of vegetables monitored across 36 major ci

发表于:2019-02-13 / 阅读(125) / 评论(0) 分类 英语新闻

多数考生都十分发愁应该如何背诵新GRE词汇,的确,面对浩瀚如烟的词汇长城,我们确实没办法短时间内攻克,只能凭借耐心与毅力来慢慢将之拿下。不过,并不是所有的新GRE词汇都十分难背

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学英语单词
acathexia
add on something
adventurousnesses
anneke
antibacteriolytic
Back-testing
barbaritoes
Blastus auriculatus
box drying machine
brain-drain flows
Breno
butane splitter
cambiform
cantley
centaurea moschata l.
club motor
commit to the flames
competition process
Crawford, Thomas
deflector ring
democratic education
depending on culture and growing conditions
deposit combined account
domesticize
double-cream
earmembrane
electrochemistry at liquid-liquid interface
erinaceous
found poem
Frazier
frequency step
full-cross leno
general prevention
give the bounce
glassfiber
grab bucket conveyer
heading volume
high-lysine
hire purchase contract
Inarigda
inirritable
Ipel' (Ipoly)
jammy
jeopardising
JIATF-W
La Porte
landscapist
LInux LOader
little climatic optimum
logop(a)edic
longitudinal chord
lutie
mancart
megalinker
middle-periods
milchest
mineralocorticosteroid
mutual credits
nacrolacquer
night-stop
non-nominal
nonshareholder
nova lisboas
occlusal rim
OQC
overlordships
overpending
owner-occupation
phocae
phreatomagmatic
psychoceramics
psychophilology
pure linen half bleached cloth
puzzivanting
pyospermia
recoilless riflc
red goosefoot
red pigment
resonance accelerator
rezoning plan display & public hearing
rights-baseds
rock-plant
seicle
septem-
shortia rotundifolia ritoensis
simultaneous row iterations
slug press
socratess
sulfur (s)
suspensive condition
tapered hob bing cutter
telepayments
terminal rod
time-constrained
tracker wires
unproduction
up in the world
Valle Hermosa, P.de
winsers
withstrain
write in return
zehneria mucronata