四碳光合作用

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(75) / 评论(0) 分类 Scientific American(四)月

Covalent bond - a strong bond between atoms formed by sharing outer electrons. When an atom has 8 outer electrons it is stable. Those which naturally have 8, like neon and argon gasses are quite unrea

发表于:2019-01-03 / 阅读(89) / 评论(0) 分类 医务英语

发表于:2019-01-03 / 阅读(72) / 评论(0) 分类 医务英语

cross my heart 感发誓 ; 不骗人 cross the bridge when one comes to it 既来之则安之 cross with, be 不高兴 cry quits 放弃 ; 承认失败 cry wolf 狼来了 ; 发出假警报 cup of tea 喜

发表于:2019-01-03 / 阅读(88) / 评论(0) 分类 英文名句短语

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(110) / 评论(0) 分类 Scientific American(八)月

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发表于:2019-01-09 / 阅读(71) / 评论(0) 分类 北京仁爱英语七年级上

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发表于:2019-01-09 / 阅读(64) / 评论(0) 分类 北京仁爱英语七年级上

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发表于:2019-01-09 / 阅读(83) / 评论(0) 分类 北京仁爱英语七年级上

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发表于:2019-01-09 / 阅读(75) / 评论(0) 分类 北京仁爱英语七年级上

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发表于:2019-01-09 / 阅读(74) / 评论(0) 分类 北京仁爱英语七年级上

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发表于:2019-01-09 / 阅读(60) / 评论(0) 分类 北京仁爱英语七年级下

ROBERT SIEGEL, HOST: Adam Frank usually has his head in the sky. He's an astrophysicist. It's an occupational hazard. Right now, though, he is dazzled by the universe of green right here on Earth. ADAM FRANK, BYLINE: Now that we're well past the star

发表于:2019-01-17 / 阅读(68) / 评论(0) 分类 2017年NPR美国国家公共电台6月

The first day of the experiment, we got out to our plot 实验的第一天,我们来到了实验地点, and a grizzly bear and her cub chased us off. 突然一头灰熊和她的熊宝宝出现,把我们赶跑了。 And I had no bear spray. But

发表于:2019-01-18 / 阅读(86) / 评论(0) 分类 TED演讲科学篇

Join The C4 Show to see what happens when you try to do nice things for total strangers on the streets of Beijing. From singing, to hugging, to shoe cleaning; we help out everyone.

发表于:2019-01-19 / 阅读(89) / 评论(0) 分类 2017CRI中国国际广播电台

Join us for another episode of Travelling with Stu-pid as we fool around in Fuzhou, the capital of Fujian province, situated upon the ancient maritime silk trading route. We explore the nooks and crannies that the town has to offer, and steal a price

发表于:2019-01-19 / 阅读(92) / 评论(0) 分类 2017CRI中国国际广播电台

As we continue our delectable journey sampling chicken dishes during the year of the rooster, join us as we try out some of Xinjiang's most popular dishes, including the aptly named, BIG PLATE CHICKEN.

发表于:2019-01-19 / 阅读(123) / 评论(0) 分类 2017CRI中国国际广播电台

CCIC Finance Limited 中芝兴业财务有限公司 ceding company 分出公司 ceding insurer 分出保险人 ceiling 上限 ceiling price 最高限价 central bank 中央银行 Central Bank Bilatera

发表于:2019-02-01 / 阅读(73) / 评论(0) 分类 财会英语

cloth n.布,衣料 clothe v.(给……)穿衣 clothes n. 衣服 clothing n. 衣服;被褥 club n. 俱乐部,球棒 clue n. 线索,暗示 clumsy a. 笨拙的,手脚不灵活的 同义词:awkward a.笨拙

发表于:2019-02-03 / 阅读(83) / 评论(0) 分类 英文语法词汇

Heather, when plants convert light into energy to help them grow it's called photosynthesis. 希瑟 植物把光转换成能量 来帮助它们生长 这叫做光合作用 But what is a photo of yourself taken by yourself called? 但把自己给自己拍

发表于:2019-02-15 / 阅读(65) / 评论(0) 分类 艾伦脱口秀

Once it seemed that the ocean floor was a desert of darkness. As everyone knew, sunlight was what made life possible by fueling photosynthesis, and sunlight can penetrate only the first few hundred yards of the oceans great depths. Lower, a few

发表于:2019-02-21 / 阅读(91) / 评论(0) 分类 托福英语
学英语单词
1-methoxy-2-methyl-propane
a woman of the street
alanap
autodigestions
bam-bam-bam
Barclays Bank plc
beta-adrenergic antagonist
BHMRA
BHN
cape anns
capelan
Cebidichthys
choice experiment
cobaltkoritnigite
coenogametangia
completely join stable
copper-stripping reaction
de-motivation
dehydrated creatine
denitrogenate
desert community
drama-doc
draw-gears
drunkproofing
ductus reuniens
ednie
epicontinental sea(eperirc sea)
First Nationer
flunkout
flycatcher operations
focal plane stop
fried egg
garden city movement
gib key
hydraulic efficiency servo-valve
hydrogen eliminator
imipranil
impressionless
indicator panel
Levokumskoye
limited by share
logarithmic a/d converter
lopping
median concentration
Micrococcus citreus
mountain railway
Mudford
multi-apertured
multiphase sampling
neo-traditionalist
newaris
nick-hole
nonlattice
off-punch
peround
phthalic imidine
ping pong ball
pinsetting
pipe outlet
premedian plate
presumed on
propdev
pull cops
pupil magnification
purely viscous fluids
Quinhagak
Ramon Lully
realizable value
removable lifting handle
riggate
roentgen tube
Romanophilism
secondary twinning
seed-fern
service load
single mechanical end face seal
sonar aid
sounding depth
spray type cooling
steritop
sutura sagittaliss
sweet
sweft
São Jerônimo da Serra
Tasman Basin
tessulatus
The air was blue.
the sources
Thomson R.
tin lined pipe
transcanada
truculencies
under study
unintelligence
university building
vernal point
wambled
water pump gland ring
whammy bar
wink at sth
wiremaker
zero-current chronopotentiometry