形成花粉管

[00:06.09]Simon like exciting films,but Debbie prefers nature films. [00:14.52]One day, she said,'Do you want to watch this video,Simon? [00:21.16]It's about strange living things.they can be very or huge! [00:29.31]Some have lots of bodyguards to pr

发表于:2018-11-30 / 阅读(278) / 评论(0) 分类 高中英语牛津版高一

Dad, Can You Tell Me How to Get Rich? My dad put down the evening paper. Why do you want to get rich, son? Because today Jimmy's mom drove up in their new Cadillac, and they were going to their beach house for the weekend. He took three of his frien

发表于:2018-12-06 / 阅读(160) / 评论(0) 分类 动物街64号 Zoo Lane 第一季

AGRICULTURE REPORT - Study of a Biotech Plant Finds Pollen Can Travel Farther than Thought By Mario Ritter Broadcast: Tuesday, October 05, 2004 This is Gwen Outen with the VOA Special English Agricult

发表于:2018-12-07 / 阅读(133) / 评论(0) 分类 农业与发展

By Paul Sisco Washington D.C. 24 January 2008 Wing Power, wave power, people power. Italian inventor Lucien Gambarota tries to capitalize on all three. VOA's Paul Sisco explains in this week's Searching for Solutions report. Lucien Gambarota is a vis

发表于:2018-12-16 / 阅读(178) / 评论(0) 分类 VOA标准英语2008年(一月)

Lesson 97 The Body 第97课 人体 If you wish to keep your body healthy, you must learn something about its inside as well as about its outside. 你想要有一个健康的身体, 那就不仅需要了解它的外部结构, 更要明白它的内在构

发表于:2018-12-18 / 阅读(106) / 评论(0) 分类 英国学生科学读本

插座、插头和其它连接物(电器连接) Sockets, plugs and other contacts [electric connections] 插头、插座及其他接触器(电接头) Plugs, sockets and other contacts [electric connections] 表面覆有带电导体的玻璃 Glass

发表于:2018-12-18 / 阅读(137) / 评论(0) 分类 英文语法词汇

Bottled water companies often brag about the purity of their drinks. Just imagine if they found a water source that's been cut off from the outside world for well over a billion years. Well, scientists have discovered just that, in isolated reservoir

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(171) / 评论(0) 分类 Scientific American(九)月

Elon Musk's Hyperloop is getting its first working test track When Elon Musk, the PayPal billionaire, announced his plans for a near-supersonic transport system of passenger capsules levitating inside tubes it sounded like science fiction. Now the co

发表于:2018-12-28 / 阅读(104) / 评论(0) 分类 英语PK台

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(219) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(212) / 评论(0) 分类 Scientific American(四)月

drain作名词的时候可以指下水道。看见go down the drain这个习惯用语,你头脑里可能会出现这样的情景:有个人在洗澡的时候不小心把手上的钻戒滑落到浴缸排水孔里,在他还没来得及作出反应的

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 美国俚语

Todd: OK so, here we go, now Terry you were saying that you went from Vancouver to San Diego. How many days did that take? Terry: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back so 40 days on t

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 原版英语对话1000个

我们前两次讲了几个带有up这个词的习惯用语。今天要讲的习惯用语却都有和up相对的词: down。 Down这个词最常用的解释是往下。 比方说在今天要学的第一个习惯用语里:go down the drain。 Drai

发表于:2019-01-14 / 阅读(200) / 评论(0) 分类 美国习惯用语

类缘何而来?猩猩?还是猿?要追溯到更远的话,应该是单细胞生物吧! 纳尼!还不对? 那究竟是什么呢? 今天的节目将为您讲述生命的起源 Life Traces in Lava Don: Can I ask you something, Ya?l? Ya?l

发表于:2019-01-26 / 阅读(122) / 评论(0) 分类 英语听力文摘 English Digest

Half the population could suffer from hay fever within 20 years,experts warn.. 专家们警告说,世界上一半的人口将在20年内患上花粉症。 Some 15 million Britons are currently afflicted, but with more people moving to cities, the

发表于:2019-02-03 / 阅读(137) / 评论(0) 分类 阅读空间

By Steve Herman Islamabad 18 March 2008 Every Spring, for the past several years, Pakistan's medical professionals have been establishing treatment camps for sufferers of pollen allergies. VOA Correspondent Steve Herman visited one of the camps, to f

发表于:2019-02-07 / 阅读(160) / 评论(0) 分类 VOA标准英语2008年(三月)

1997年,德克萨斯州的三姐妹chauntelle,Sherri,Stacy和弟弟Weston DuPree、还有她们的表兄弟一起组成了这个乐队,Eisley。两个女主音的声音,一个稍微更为清亮,一个稍稍稳重端庄,这种难得的清新美

发表于:2019-02-11 / 阅读(144) / 评论(0) 分类 天籁音乐

Each seed of barley ends in a sort of bristle, called an awn. 每个大麦粒的末端都是一根又长又硬的毛,叫做麦芒。 Do you remember how insects help flowers to form their seeds by carrying pollen from one blossom to another? 小朋友

发表于:2019-02-13 / 阅读(134) / 评论(0) 分类 英国学生科学读本

舞林争霸洛杉矶海选17岁正太配乐Pollen and Salt 《舞林争霸》在洛杉矶的海选高手辈出,其中17岁的Nathen人小艺高,完美的旋转和出色的表演征服 了观众也征服了评委。他舞蹈的配乐是Pollen and

发表于:2019-03-02 / 阅读(197) / 评论(0) 分类 影视英文歌曲
学英语单词
acquisitive instinct
adenosines
Ajaxified
alae lobuli centralis
amaea watanabei
Aqua-fortis
arcader
asphalt (asph)
audit report on financial statements
bag grain
balance date
Baltime Berth Grain Charter Party
be caught in a shower
bigamously
BMA
central osteitis
classical aerodynamics
coenzyme factor
commercial scale production
cone passage
core lamination
crystal breeding
cullums
cypa enodis
cypraea childreni
double ureter
eating at
elastic ratio
ewelina
februate
file oriented interpretive language
fishmeals
flood estimation
Giessbach
gnvq foundation
haselden
heterogynid
How long have they been married
instability criterion
interleukin-2receptor
intermolecularly
investment holding
Ladinian Stage
landing ship tank (lst)
like cat and dog
lukk
manchurias
methoserpidine
microcirculation of eye fundus
mishimas
muaf
nauplius
Neilore
newke
nonwhale
Ogg Vorbis
oligotrophic lake
onomastic
operating floor plan
perilunate dislocation
physiological plasticity
planeswalker
planthood
position specializing in reception
post-modifying
Pratia brevisepala
Prausnitz-Kustner antibody
productive capacity cost
pseudobotrytis terrestris
radar reflectors
radioactive log
recirculating ball type steering gear
resolution gratings
restore postal services
retire to
rimmed texture
round-thread
saprobes
schoolage
Schultzia
sea injection valve
Skogstorp
soft center steel
speaker-trained system
spiny-cheeked honeyeater
sporto
stryphnic acid
swinging-vane oil pump
symmetrical aerial input
taken over
the seashore
thymol acetate
tooth-drawer
ultraconcentrated
unsettles
Upper Manitou L.
verrazzanoes
wait on sb
weidenreich
William Harrison Hays
wipe ... eyes
yeast wash