光合〔成〕有效波长

When autumn rolls around, the leaf peepers come out in force. Armed with digital cameras, they record the most spectacular displays of fall foliage. Well according to a study in the journal Functional Ecology [Toshie Mizunuma et al., The relationship

发表于:2018-12-02 / 阅读(92) / 评论(0) 分类 Scientific American(十二)月

Supercharged Plants May Mean More Crop Production 增压植物或能大量增产 One day, supercharged plants may help feed people around the world. Supercharged plants are ones that grow faster than normal plant life. Scientists can speed up the gro

发表于:2018-12-16 / 阅读(97) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Plankton Poop May Help Scientists Predict Climate Changes 浮游生物的粪便帮助科学家预测气候变化 Scientists trying to predict future changes in our climate are using every possible source of data to make their calculations. Lately, th

发表于:2018-12-16 / 阅读(116) / 评论(0) 分类 VOA标准英语2015年(十月)

浮游生物粪渣助科学家预测气候变化 Scientists trying to predict future changes in our climate are using every possible source of data to make their calculations. Lately, they have learned that one of the most sensitive instruments could

发表于:2018-12-19 / 阅读(107) / 评论(0) 分类 VOA双语新闻 2015年10月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab

发表于:2018-12-24 / 阅读(120) / 评论(0) 分类 Scientific American(四)月

You might say blue-green algae are optimists: they put things in the best possible lightliterally. Actually, the organisms arent really algae. Theyre photosynthetic ocean bacteria. And they can fine-tune their photosynthetic apparatus to take advanta

发表于:2018-12-24 / 阅读(116) / 评论(0) 分类 Scientific American(十一)月

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 long [ lCN ] I longed for a bicycle. v

发表于:2018-12-30 / 阅读(189) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(162) / 评论(0) 分类 每日攻克5词

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(173) / 评论(0) 分类 Scientific American(八)月

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(173) / 评论(0) 分类 英语每日一词

海洋雪有助预测气候变化 As if materializing from a different dimension, the submersible device called PELAGRA slips below the surface and sinks into a research pool at the National Oceanography Centre, in Southampton, England. 位于英格兰

发表于:2019-01-14 / 阅读(152) / 评论(0) 分类 VOA标准英语2016年(一月)

Up in arms At arm's length 在美国人讲话时,或从书刊报纸上,你经常可以听到或见到一些由手臂,就是英文里的arms这个字组成的成语或俗语。有些习惯用语从

发表于:2019-01-14 / 阅读(214) / 评论(0) 分类 美国习惯用语

AUDIE CORNISH, HOST: Need a distraction from the news? ARI SHAPIRO, HOST: We have one. CORNISH: It's a reminder of the good things in life that are free. SHAPIRO: Another commercial for Nicer Living. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED MAN

发表于:2019-01-17 / 阅读(184) / 评论(0) 分类 2017年NPR美国国家公共电台2月

雅思阅读判断题对于很多同学来说可谓又爱又恨。在雅思阅读总体题型上来说,判断题难度适中,出题方式熟悉。但从判断题本身角度讲,很多同学都无法排除NOT GIVEN的情况....今天新东方网雅

发表于:2019-01-18 / 阅读(188) / 评论(0) 分类 雅思英语

BEIJING, March 1 (Xinhuanet) -- A biotechnology(生物技术) company says it can produce diesel using the same ingredients(配制成分) that make grass grow, media reported on Monday. The Massachusetts company Joule Unlimited has created a genetica

发表于:2019-01-20 / 阅读(142) / 评论(0) 分类 英语新闻

LONDON, July 4 (Xinhua) -- Anders Fogh Rasmussen, Secretary General of the North Atlantic Treaty Organization (NATO) expressed his hope on Wednesday that NATO would seek a more active dialogue with China. We must expand the range of nations with whom

发表于:2019-01-30 / 阅读(200) / 评论(0) 分类 英语新闻

SEOUL, Nov. 8 (Xinhua) -- Samsung Electronics, the world's largest flat screen TV vendor, said Tuesday that it has suspended its plan to develop active shutter three-dimensional (3D) TVs with RealD, the U.S.-based 3D technology supplier. Samsung has

发表于:2019-01-30 / 阅读(171) / 评论(0) 分类 英语新闻

[00:39.12]height 高度 [00:43.33]length 长度 [00:47.42]mathematician 数学家 [00:52.35]be required to do something 被要求做某事 [00:58.34]measuring tape 卷尺 [01:04.45]A team of mathematicians were required [01:06.76]to measure the heigh

发表于:2019-02-15 / 阅读(171) / 评论(0) 分类 英语笑话(MP3+文本)

WASHINGTON, Dec. 22 (Xinhua) -- The journal Science on Thursday chose the HPTN 052 clinical trial, an international HIV prevention trial as the 2011 Breakthrough of the Year. The study found that if HIV-infected heterosexual individuals begin taking

发表于:2019-02-18 / 阅读(135) / 评论(0) 分类 英语新闻

雅思阅读判断题被同学们视为纠结题目之一,因为其类似于国内考试判断对错题,但又增加了not given的选项提高题目难度,所以对于广大考生来说多少有些挑战。殊不知这一类雅思题目解题方

发表于:2019-03-02 / 阅读(176) / 评论(0) 分类 雅思英语
学英语单词
Abapresin
abjugate
aproval
ARRC
assembled rotor
atrial pressure
autolyzes
besson
bronchi lobaris medius dexter
ceratium fusus schuttii
ceraunograph
Cercis racemosa
chrysosplenium lanuginosum formosanum
coded current transmitter
colleges of cardinals
contrast mechanism
current, leakage
datatrak
depression curve
dimension of excavator
distribution based on manufacturing cost
documents against acceptance
dynamic flex
editorial change
electrolytic refining cell
electrostatic bond strength
enters
erable
Ernest Shackleton
family of frames of order one
Festuca kansuensis
file chisel
firm deal
forsch
genus Phthirius
gilde-slope aircraft antenna
gimmer lamb
gouge flap
group-synchronous oocyte development
Halenia elliptica
hatch coaming
hawkbits
heading die
high permeability pay
high-residual-phosphorus copper
holystones
hope chest
human information input channel
insert jib section
instructional class
intercarrier sound rejector
intermittent-feed
interpretive cortex
investigation on fiscal operations
Jerecuaro
JIFSAN
Kalliopi
knows best
Kohlrausch method
log bundle
march under standard of
maximum permissible amount
mechanical lift dock
metalic luster
meteorological map
niphotyphlosis
non-monopolies
nutricycle
pararasbora moltrechti
peieris instability
power slip
primitive bird
priviledg
Proto-Sapiens
quinary
Rhipicephalus appendicularis
rosae chinensis flos
rubber mirror
Samtan
seismic period
setting-up exercises
shut-downs
sideretine
silting bed
sort
spill one's guts
St. Moritz
stake to
sub-groupings
tannin
Taraxacum roseoflavescens
timing modulation
tinting colour
tread design
unbleached muslin
Vasaras
viscosity unit
watoo
waveguide film bolometer
weaning brash
whispering eyes
world coordinate space