[有机化学] 3-苯基丙烯醛

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发表于:2018-12-04 / 阅读(266) / 评论(0) 分类 英文魔法师字源大挪移

Yet hijras, and their counterparts in other Asian societies, remain on societys margins. 然而,海吉拉斯和其他亚洲国家类似人群都仍处在社会边缘。 As Anjaann Joshii of SPACE puts it: You can sing, dance, bless, cursebut thats

发表于:2018-12-05 / 阅读(223) / 评论(0) 分类 经济学人人物系列

Hither, page, and stand by me, If thou know'st it, telling, yonder...) By the ninth century, the Christian version of Christmas is spreading across Northern Europe. In the Czech Republic, a Christian

发表于:2018-12-07 / 阅读(183) / 评论(0) 分类 圣诞特辑

[00:17.36]Figure On The Proch [00:26.40]门廊鬼影 [00:36.51]Back in the early 1980s my aunt lived in a house [00:41.27]that was literally located in the middle of nowhere. [00:46.05]It used to really creep my younger brother and me out, [00:50.28]but

发表于:2018-12-11 / 阅读(261) / 评论(0) 分类 英语灵异故事

[00:17.23]Figure On The Proch [00:26.43]门廊鬼影 [00:35.14]I lay back down and tried to go back to sleep. [00:39.57]After I had lain there for about 5 minutes, [00:43.12]I started to hear a tapping sound. [00:45.77]I listened for a minute, [00:48.07]

发表于:2018-12-11 / 阅读(324) / 评论(0) 分类 英语灵异故事

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(230) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(三)月

UNIT 74 RADIO PROGRAMS (Ⅳ) Lesson 147 Part Ⅰ Warming-up Exercises Note-taking: Radio Program Reminders 1. VOA / Fill Owen a. Paul Franchat: review of __________________ b. Barry Wood: ____________

发表于:2018-12-27 / 阅读(178) / 评论(0) 分类 英语听力入门 (全四册)

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(186) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(179) / 评论(0) 分类 英语听力文摘 English Digest

狱警头目Bellick看到州长对典狱长很不满,就趁机向州长推销自己。 [00:07.46]Listen and Share [00:42.68]Bellick [00:49.78]Good call, governor, bringing in the big guns. [00:52.54]I appreciate your support. [00:54.46]Captain brad bellick. [00:57.43]I sent

发表于:2019-01-01 / 阅读(279) / 评论(0) 分类 越狱第一季

A Vietnamese court recently sentenced blogger and human rights activist Nguyen Ngoc Nhu Quynh to 10 years in prison. We are deeply concerned, said State Department spokesperson Heather Nauert, about the conviction of. . .peaceful blogger, Nguyen Ngoc

发表于:2019-01-03 / 阅读(275) / 评论(0) 分类 VOA标准英语2017年(7月)

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(225) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(242) / 评论(0) 分类 Scientific American(十一)月

Larry到李华住的地方,去看她新领养的猫咪小雪球。今天李华会学到两个常用语:mental和pro. LL: Snowball is adorable! She's so little and fluffy! LH: 就是啊,我的猫咪

发表于:2019-01-11 / 阅读(256) / 评论(0) 分类 美国之音《流行美语》

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(371) / 评论(0) 分类 英语新闻

今天我们要学的词是pro-life。 Pro-life意思是反对妇女有堕胎的选择权。Pro-life的对立面是 pro-choice,支持妇女的堕胎权。美国总统奥巴马不久前在圣母大学发表毕业演讲。Hundreds of pro-life activis

发表于:2019-02-05 / 阅读(279) / 评论(0) 分类 英语每日一词

Observe a child; any one will do. You will see that not a day passes in which he does not find something or other to make him happy, though he may be in tears the next moment. Then look at a man; any one of us will do. You will notice that weeks and

发表于:2019-02-08 / 阅读(235) / 评论(0) 分类 阅读空间

Observe a child; any one will do. You will see that not a day passes in which he does not find something or other to make him happy, though he may be in tears the next moment. Then look at a man; any one of us will do. You will notice that weeks and

发表于:2019-02-16 / 阅读(246) / 评论(0) 分类 英语美文

American Revolution The American Revolution was not a sudden and violent overturning of the political and social framework, such as later occurred in France and Russia, when both were already independent nations. Significant changes were ushered in,

发表于:2019-02-26 / 阅读(388) / 评论(0) 分类 高级听力练习
学英语单词
acid cesium phthalate
anchieutectic
archaeocortex
area coordinator
baking board
bandwidth shaping
berberis circumserrata schneid.
black-ash waste
Blandburg
blue-lilac
boreism
Caulophyllum thalictrioides
cerny
cev
check payable in account
ciliosis
circumferential length of nozzle
clay room
congenital amblyopia
continuedness
contra flow
crabby
crisis management plan
cryogenic preparation
data manifold
declare privacy lock
diluted gasket
doppo
dvd-quality
ecgonidine methyl ester
El Brasil
electric-spark drilling
embog
energy coefficient
enneandrousz
estimated time of leaving
expanded service life
feature-phone
fenestras of the cochlea
forced boundary condition
free resolution
Goldentail
ground gamma spectrometer
head-shapes
hush kits
hydro keel
in net terms
independent treasury
infrabrustia
initial calibration
keddie
kin groups
landing-nets
landscape sketch
leathery polypodies
linear sample plot
low-frills
mabon
Maritime Territory
million gallons per day
mohobelo (s. africa)
Mu'āwiya
multichain receptor model
muscular adductor superfic
mustard gas
mycophages
nag screen
nbr steam flow
network-modifying ion
No Lifer
Nobel Foundation
omoto
pancake motor
phoning up
powderedmetal
preparest
pro-stylest
rail type launcher
reconsigning
regeneration loss
relaxation factor
revolving wheel
ridogrel
roll camber
septic sludge
sibylle
Silicon Glen
sodokus
soothment
spadgers
strict inequality
subdir
t-help-you
taijiquan
tander sum
timing ring
top assembly drawing
town-stocks
trimmed back
unsawntimber
vulva sore
water-cooled compressor