na. 航路;海上航线
[网络] 海中航道;海道;海洋航线

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(57) / 评论(0) 分类 Scientific American(十二)月

Voice 1 Thank you for joining us for Spotlight! Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Fires like this

发表于:2018-12-19 / 阅读(46) / 评论(0) 分类 环球英语 Spotlight

Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 60秒科学

NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from(发源于) Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo

发表于:2019-02-07 / 阅读(63) / 评论(0) 分类 英语新闻

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

发表于:2019-02-11 / 阅读(60) / 评论(0) 分类 英语新闻

Voice 1 Thank you for joining us for Spotlight! Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Fires like this

发表于:2019-03-04 / 阅读(103) / 评论(0) 分类 环球英语 Spotlight
学英语单词
accessability
accounting statement audit
algorithm convergence
aphthsiso
asphalt-free oil
autoaway
bacterial kidney disease
bafflingly
blowing pressure
branch ducts
buffest
circular extension table
constant boiling ternary mixture
context effect
control flow
cowdrey
cross resistant
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decayeth
Dichloronaphthoquinone
drum type surface cooler
endoplasm
entered upon
entropy of activation
eoectrophorus
epoxy bushing
evidence-based decision making
evil force
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extended character
flegel's disease
follow sb to heel
free investment
Genista tinctoria
helicoid
hornets' nest
hyperite-diorite
in autumn
insured pension fund
interferometer micrometer
jimmy durantes
junior securities
ladelle
langsamer
latent virus
led equivalent circuit
lending fee
looks upon
love-mate
Mahammed
mail drops
mathematical decomposition
Meherrin River
menstruates
minimum subsistence
momentum wheel
nail-headed moulding
nasas
Negreira
nonproven
nozzle convergence angle
numericalphabetic
oldfieldthomasiids
over growth
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phenomenology of mind
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plagiaulacid
popcorn movies
pressure safeguard
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pruesse
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rhus aromaticas
self-acquired
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subgrade in rock fall district
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sux-
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target bias
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torulopsosis
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trimethyliso-alloxazine
tube-lined boiler wall
two-job
uncharismatically
under it
wild snow
wire termination
with a heavy heart