光合〔成〕有效波长

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(36) / 评论(0) 分类 Scientific American(四)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 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(75) / 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(72) / 评论(0) 分类 Scientific American(八)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(110) / 评论(0) 分类 美国习惯用语

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(96) / 评论(0) 分类 雅思英语

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(87) / 评论(0) 分类 雅思英语
学英语单词
abrasive dust
acarotoxic
access management
administer relief
aeremphysema
allis shads
anacom
arden court
besmears
bottom fermenting yeast
brachysporiella pulchra
butter rock
calcasieu r.
coarse sighting telescope
condensing tube
congo rubine
conjugate imaginary element
Corymbia
cyathodium japonicum lindb.
cylinder end cap
cylindrical electrolytic marking machine
dawisha
delineator
density transformation
dihydroxyvitamin d
dissipative process
dot-and-dash signal
double-beam photometer
effective date/time of change
epatiol
ernst chain
family atherinidaes
FDF
fearsome
fire pit
forever after
fraction
haemoperfusions
half-fields
helical antenna
hexalaminar membrane
high and low
hilllike
hockey mom
insulating plastics
ixa cylindrus
janitorial
kick up frame
knot holes
labour-intensive goods
lay sth to rest
linear time algorithm
Logres
Long Murum
maintanance sign
medium octavo
midi patch
milliamperes
mindexpander
model basin
molded waffle slab
naet
nitrobenzamide
okashi
oxidative rancidity
papal cross
pegboards
phthalanil
platform truck scale
primary air rate
Ptinus villiger
radio typewriter
relative chroma level
rheogonimetry
ring laser pick off
ronagate
run of slope
Sancreed
sarie
second substitute
self sow
semi-slip
short-change
sick-nurses
sodium methiodal
specular screen
stereo sound television broadcasting
streetfuls
theirn
tie tetrahedron
tribasilar synosteosis
tribromochlorosilane
twist of elliptic curve
unglimpsable
universal copyright convertion
unprecise
unprofitably
waist boat
wall growth effect
water borne coating
woodpulp carrier