[=methyl n-(2-chloroethyl)-n-nitrosocarbamate]n-(2-氯乙基)-n-亚硝基氨基甲酸甲酯

Feed Your Mind 充实你的思想 Since the pre-historic times, man has had an urge to satisfy his needs. Be it hunger, shelter or search for a mate, he has always manipulated the circumstances to the best of his advantages. Probably this might be the rea

发表于:2018-12-07 / 阅读(322) / 评论(0) 分类 美丽英文

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发表于:2018-12-13 / 阅读(261) / 评论(0) 分类 大英儿童百科全书--ME

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发表于:2018-12-13 / 阅读(270) / 评论(0) 分类 大英儿童百科全书--ME AND YOU

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发表于:2018-12-18 / 阅读(341) / 评论(0) 分类 小学英语作文

This is Scientific American 60 second Science, I'm Cynthia Graber, got a minute? Were not the only animals that like to knock back the hard stuff. Studies have shown that some mammals seek out food and drink that naturally contains alcohol. And accor

发表于:2019-01-08 / 阅读(201) / 评论(0) 分类 Scientific American(二)月

海峡拥有高超的不鲁斯吉他技巧,低沉嗓音的半说半唱,成熟睿智的歌词,以及难以言表的宽厚情怀,整个八十年代,不知多少人依*他们的音乐,完成了由青春向成年的过渡,不知多少人被那

发表于:2019-01-08 / 阅读(238) / 评论(0) 分类 音乐天堂

Have you ever taken a good look at your dog and wondered, where did this creature come from? Sure, you know your dog came from the local shelter or a pet store, but what about before that? If you were able to trace your dog's lineage back to its orig

发表于:2019-01-22 / 阅读(321) / 评论(0) 分类 英语时差8,16

Archaeologists set out recently to unlock one of the secrets of Stonehenge, the majestic monument in southern England-when were the first standing stones placed at the ancient religious site? The concentric stone circles that make up Stonehenge, 13

发表于:2019-01-22 / 阅读(257) / 评论(0) 分类 英语时差8,16

Don: Oh, Yael, I just read the most beautiful poem. No wonder our ancestors developed writing--they probably wanted to treasure poetry for posterity. Yael: Actually Don, writing was developed to keep track of more mundane things, like money. For exam

发表于:2019-01-22 / 阅读(271) / 评论(0) 分类 英语时差8,16

In this Moment of Science Don and Yael discuss how our emotions might change as we age. D: The older my parents get the more boring they become. First of all, they always spend their time with the same group of friends. They rarely go out and meet ne

发表于:2019-01-22 / 阅读(260) / 评论(0) 分类 英语时差8,16

You're driving along on your way to deliver some helium balloons to a birthday party. Suddenly you hit the brakes. As your car rapidly decelerates, you feel yourself pushed up against the wheel. Why? That one's probably not too tough. Although you ma

发表于:2019-01-22 / 阅读(282) / 评论(0) 分类 英语时差8,16

Ya?l: Today, on A Moment of Science, another episode of guilty confessions. That's right. Don is going to confess a secret, and then we'll use science to help him understand it. Don: I confess nothing, Ya?l. My conscience is clear. Y: Then how come I

发表于:2019-01-22 / 阅读(262) / 评论(0) 分类 英语时差8,16

Dear Annie: I am 17 years old and my brother is two years older. When he started dating Kim, everything was fine, but as I got to know her better, it became clear that she is just using my brother. I asked my mom what I should do, and she said I shou

发表于:2019-01-22 / 阅读(196) / 评论(0) 分类 英语时差8,16

Surprise at Stonehenge! Wizards and aliens aside, actual scientists don't have much to say about Stonehenge--the ancient ring of rocks in Amesbury, England--that hasn't been said. That is, until now. Just recently a four-thousand-year old gravesite w

发表于:2019-01-22 / 阅读(214) / 评论(0) 分类 英语时差8,16

Fact: liquid water is heavier than air. Fact: clouds, which consist of water droplets and ice crystals, seem to hover in the air. One final fact: the water droplets in a typical cloud together weigh many tons. Which raises a question: how do clouds s

发表于:2019-01-22 / 阅读(238) / 评论(0) 分类 英语时差8,16

Technophobia What? Technophobe: Someone who does not like, trust, or want to use technology, especially computers. (Macmillan English Dictionary)Technophobia is not a new term and technophobes have existed since the Industrial Revolution and probably

发表于:2019-01-22 / 阅读(326) / 评论(0) 分类 英语时差8,16

24强晋级赛在著名的日落大道上的蓝调之家继续进行,在上一场经过最终现场展示环节后,评委们将开始决定谁会进行现场演唱,从而赢得全美观众的选票。本期节目23名参赛者争夺剩下11个席

发表于:2019-02-05 / 阅读(328) / 评论(0) 分类 美国偶像 第十四季

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发表于:2019-02-10 / 阅读(233) / 评论(0) 分类 牛津Oxford English Time 6 CD1

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发表于:2019-02-10 / 阅读(269) / 评论(0) 分类 牛津Oxford English Time 6 CD2

As in the last war, the soldiers dig in and try to make the best of things. 如同上一次大战,士兵挖掘防御工事,并充分利用一切。 The French soldier, Jastone Schiller, writes to his wife. 法国士兵席黑克写给妻子。 It'

发表于:2019-02-26 / 阅读(287) / 评论(0) 分类 二战启示录
学英语单词
amazonomachies
aquatica
argusianuss
aschersonia goldiana
batch fermentation
be in breach of
belladonna plants
bismuth emetine iodide
Bol'shoye Oparino
branchiostegite
brintons
Carnatic Wars
celic
centralized recruitment
ceratopetalum gummiferums
channel frequency characteristic
chartered vessel
chortlings
complete absorption
complexity concurrent control
Curtius, Ernst
D-EBS-WC
dalsimer
deambulatories
dicoumarols
driving box gib
elimination in time series
Elsholtzia cephalantha
Epstein-Pel disease
exclusive unionism
fuel drop box
function lever
gamma interferon
gaspiness
genus Corydalis
glass base
gravitional settling
herb garden
homofermenter
house officer
hyperimmunized
ideocratic
iizuka
illuminated blade
industrial nursing
iteration time
laboard watch
labourer
Lonicera tangutica
Lyttonia
makrell
Maqshūsh
marie-thrse
martir
mechanical stabilization
Mesomicrocline
millrun
monochromators
nasalise
one-liner
overdeliberation
particle spectrum
Petralia Soprana
play of colour
police matrons
protective packaging
pure white
push section car
quiescent center
rating agencies
rigent
rombola
rotary balance
Rubberlip
rudolf diesels
silkwork
sirohaems
skin hard
sociopathology
spiritual support
split-lens interference
sporidesmium vagum
suicidism
summit canal
tetrahedral defect
thigmonastic
thrust one's nose into
thyrsiflorus
tie pitch
tollons
translucent cloth
tribromomesitylene
Trouton elongational viscosity
unprenylated
Vagina tendinum musculorum peroneorum communis
ventricular ejection velocity
water quality monitor for manned spacecraft
weight gainer
well-haled
zero intensity
zonal constant