聚合络合物

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(86) / 评论(0) 分类 英语语法 Grammar Girl

[00:16.46]One Night [00:26.52]一天夜里 [00:35.11]My friend Cynthia and I [00:36.91]spent just about every weekend together. [00:40.35]Her parents were divorced [00:42.47]and she spent just about every weekend at her Dad's house. [00:46.96]He lived in

发表于:2018-12-11 / 阅读(52) / 评论(0) 分类 英语灵异故事

Unit 12 What's the best radio station? [00:05.38]SECTION A [00:08.33]1b Listen and match the statements with the movie theaters. [00:15.18]Write in the names of the theaters. [01:03.61]2a Listen to a reporter interview a boy. [01:09.46]How does the b

发表于:2018-12-13 / 阅读(200) / 评论(0) 分类 新目标初中英语八年级上

action ['kʃən] n.行动,动作,作用,活动 boast [bəust] n.v.吹牛 complete [kəm'pli:t] a.完全的,完成的;v.完成 dictate [dik'teit] v.听写,口授 existence [ig'zistəns] n.生存,存在 hatred ['heitrid] n.厌恶,憎恨,

发表于:2018-12-19 / 阅读(182) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 Scientific American(一)月

[00:02.54]English Express [00:28.11]OAKA - The Athens Olympic Sports Complex [00:31.40]雅典奥运会场馆 [00:43.42]The Athens Olympic Sports Complex (OAKA) [00:47.09]is situated at Maroussi [00:48.97]and was the centre of the Olympic Games 2004.

发表于:2018-12-26 / 阅读(130) / 评论(0) 分类 轻松英语之旅

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(86) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(四)月

[00:00.00]4 Were the staff nice at the hotel? [00:05.50]Oh yesthey really went out of their way [00:07.50]to make us feel at home. [00:10.55]5OK,we'll drive to the restaurant [00:15.07]Do you know the way? [00:16.71]I'm not sure I remember ityou'd be

发表于:2019-01-10 / 阅读(192) / 评论(0) 分类 北师大版高中英语模块10(选修)

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(57) / 评论(0) 分类 2016年VOA慢速英语(九)月

The Asian Cup football (soccer) tournament kicks off in Doha, Qatar, Friday, January 7, with defending champion Iraq to play North Korea, Iran and the United Arab Emiterates in Group-D play. Iraqi football fans are also looking forward to 2013, when

发表于:2019-01-14 / 阅读(101) / 评论(0) 分类 VOA标准英语2011年(一月)

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(137) / 评论(0) 分类 VOA标准英语2016年(二月)

By George Dwyer Washington 10 April 2008 On Friday, 11April, a major cultural and architectural event is set to take place in Washington: amassive new interactive museum complex dedicated to the profession of journalism will open its doors to the pub

发表于:2019-01-30 / 阅读(67) / 评论(0) 分类 VOA常速英语2008年(四月)

Mariah Carey - Obsessed So Oh Oh So Ohhh Will the real MC please step to the mic? MC- You need an MC, place to be MC the MC All up in the blogs Say we met at the bar When I don't even know who you are Say we up in your house Sayin' I'm up in your car

发表于:2019-02-03 / 阅读(70) / 评论(0) 分类 好听的英文歌曲

今天我们学一首俏皮可爱的英语歌曲。 I'm just a little bit caught in the middle 我只是有点不知所措 Life is a maze and love is a riddle 生活是一个迷宫,爱情是其中的一个谜 I don't know where to go, can't do it a

发表于:2019-02-12 / 阅读(73) / 评论(0) 分类 卡卡课堂早餐英语

最近上课老是迟到,究其原因无外乎做事情没有提前准备好。闹钟再怎么催,硬是要晚十五分钟才能去完成约定好的任务。 懒散惯了,对闹钟clock这个单词竟然有了很深的认识:对它的态度决

发表于:2019-02-21 / 阅读(74) / 评论(0) 分类 英文语法词汇
学英语单词
abnomal loss
adsorption bond
antisunward
Arrowsmith, Pt.
artificial breathing
asymmertrical deflection
avon r.
backward-forward counter
bauxitization
bergschrund
BMCI
bond-meter
bretange
camaros
catalogist
Cernosin
coal seam pitch
continuous eigen value
cooling storage house
cor-
corrosion at initial boiling point
counteract the toxicity of another drug
cross nerve
culicoides (trithecoides) humeralis
data aggregate
diphenylpropane-1,3-dione(DPPO)
dispersion of grouping
elytis
equivalent reactance
fermentation kinetics
fleware
float-operated valve
free-soil
full-blooded
genital cone
get the hook
growth constant
hardydardy
heightening
Höchenschwand
icons
invite for
isoparametric constant
liiiest
lognormalities
lower calorific power
Macaranga auriculata
manual retrieval
mass velocity
merluccid
mica schist porphyry
multipass tubalar heater
nearest neighbor approximation
nefrendes
neutron roentgen
not the least
nuclei cochleares
offshoots
OI-clash
one end hook spanner
organolanthanide
oseen approximation
outlearn
Palace Museum
palaeolakes
phase-shift discriminator
platen variable knob
primary stage port
product-testings
provablest
PSWCS
Pu'apu'a
pyrogen test
q signal
Raney, nickel
receiving inductance
recursive symbol
reyal
rolled hardening
sea-level
settling in allowance
shared data bank
Shropshire Union Canal
shutter switch
smegma embryonum
social man
spatterdash
stick and stone
strain screw
submicrowave
suspect terrane
swing and tilt mechanism
taper pipe thread
tetraphenylphosphonium
Thermoplasmata
thiocolchicoside
true angle
Tuberculum mentale
vision carrier
wide fire box
zeqo