几丁质蛋白复合体

material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

发表于:2018-12-02 / 阅读(119) / 评论(0) 分类 Scientific American(十二)月

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(124) / 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(66) / 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(222) / 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(199) / 评论(0) 分类 TED演讲教育篇

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? Worldwide, we know of enough uranium to power today's nuclear reactors for another hundred years according to the nuclear energy agency. But scientists say t

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(八)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(147) / 评论(0) 分类 轻松英语之旅

If you ask a child playing outside at the Parkview Gardens apartment complex in Riverdale, Maryland where he or she is from, you will get many different answers. The children will name Nepal, Nigeria and Afghanistan, among others, as their homelands.

发表于:2019-01-02 / 阅读(128) / 评论(0) 分类 2017年VOA慢速英语(六)月

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(75) / 评论(0) 分类 四六级词汇与结构练习

生活有希望,才快乐。 在好莱坞人人都梦想得到奥斯卡奖,连乞丐都满怀着希望,乞丐要饭时,旁边立了块牌子,上面写着: Help keep my Oscar Hopes Alive. 帮帮忙,让我保持我的奥斯卡希望。 对生

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 英语美文

[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(211) / 评论(0) 分类 北师大版高中英语模块10(选修)

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(122) / 评论(0) 分类 VOA标准英语2011年(一月)

This is why we are not growing. We failed at reinventing the manufacturing space, 这就是为什么经济未能增长。我们未能重新创造工业生产活动, and large technological innovations have played away from it. 与此同时大型技术

发表于:2019-01-18 / 阅读(66) / 评论(0) 分类 TED演讲国际问题篇

Topics: Famous Americans Jane Addams; the Eeny, Meeny, Miny, Moe counting rhyme; to double down and trickle- down; especially versus specially; dewy Words: settlement house inspirational complex night school infant mortality pacifist fondly counting

发表于:2019-01-22 / 阅读(68) / 评论(0) 分类 美语听力 English Cafe

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(89) / 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(91) / 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(91) / 评论(0) 分类 卡卡课堂早餐英语

[00:14.52]Blood donation 捐血 [00:27.11]词汇扫描 [00:31.31]bottom line ['b?t?m][lain] 净收益 [00:34.37]complex ['k?mpleks] 设施齐全的综合性建筑 [00:38.88]rifle range ['raifl][reind?] 射击场 [00:43.18]英文原文 [00:44.87]Who s

发表于:2019-02-15 / 阅读(92) / 评论(0) 分类 英语笑话(MP3+文本)

So I know you're probably thinking, okay, that's cool, 我知道大家现在大概会想,好吧,看着挺酷的, but how do we use any of this stuff for the built environment? 但是我们怎么把它应用到生产环境里? So I've started

发表于:2019-02-21 / 阅读(163) / 评论(0) 分类 TED演讲教育篇

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(99) / 评论(0) 分类 英文语法词汇
学英语单词
accident due to negligence
angioma of urethral meatus
antiunionist
appurtenance
automatic forward feed
avolin
be right for
bell rod
benzcinnoline
biu
bizone
blackbird
bonker
bony layer
Brothers Grimm
budgetary estimates
camcords
centi-weber
chain orientational disorder
circulation of acceleration
coal pinch out
compendium
continuous in probability
copyright symbols
coram nobi
credit sale
deposable
diastematometria
dog-training
double dotted eighth note
double split brush
duduk
dwarf iris
ecoadventure
economy drives
effossion
emusic.com
essayers
exceptio pacti
family gonorhynchidaes
flush slag
glass ceramic capacitor
glass over
glasseyes
hard-charging
have sth. on the brain
hemepeptide
hokypoky
identity management
increatable
internal thalamic medullary lamina
intersecting gill set frame
inward transfer procedure
iron ammonuim citrate
laser speckle velocimeter
laser stylus
lever reversing gear
liquor cerebropinalis
lithographed
long day breeder
magnetron pulling
Mambare
Markov jump process
message delay
motif writing
Muang Khammouan
nonadecylic acid
normal profit pricing
os-based
Pacific Coast Gas Association
pagode-tree
paracalanidae pavo
peeler cotton
pentaquine
perforation of ventricular septum
phase-shifting control
philbertia nebulosa
placing nozzle
polyrrhina
pot patching
pressure seal cap
protection component
scintiscans
sheng
spade bits
street artists
support stocking
sweated environment
swooshing
syntactic category
thwackingly
tinned goods
traversed length
tree ferns
trimethylamine oxide
triphyline
unconceivably
unlicensed national information infrastructure
volendams
Wallan
water injection well
wrought copper