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Plant Signals 植物的语言 Can plants smell and taste in the same way that animals do? Can they talk to each other and to insects? Learn how scientists hope to unravel some of the mysteries of plant senses -- on today's Earth and Sky. JB: This is Eart

发表于:2019-01-02 / 阅读(110) / 评论(0) 分类 (科普英语)Earth and Sky

By Jessica Berman Washington 28 May 2008 Monkeys have successfully operated robotic arms to feed themselves with human-like precision, activating a mechanical device with signals from their brain. Researchers say the technique could eventually be use

发表于:2019-01-09 / 阅读(44) / 评论(0) 分类 VOA标准英语2008年(五月)

[00:42.81]What do you usually say if you dial a wrong number? [00:48.35]I'm sorry,I think I dialled the wrong number. [00:58.38]What does Steve ask Pippa to do? [01:02.43]To go to a lecture [01:07.29]When and where is the lecture going to be given? [

发表于:2019-01-10 / 阅读(183) / 评论(0) 分类 高中英语人教版高二

[00:04.78]Lesson 89 1 Dialogue [00:11.05]STEVE:Hello.Can I speak to Pippa,please? [00:13.27]喂!我可以找彼帕接电话吗? [00:15.49]VOICE:There's no Pippa here.This is 8686087. [00:19.51]这里没有彼帕这个人,这里的号码是8686087. [0

发表于:2019-01-10 / 阅读(183) / 评论(0) 分类 高中英语人教版高二

Human bodies are frail, easily damaged packages full of parts that can never fully come back once lost. Luckily, researchers worldwide are working on replacing every bit of the body to make us all cyborgs. 人的身体是十分脆弱的,有些娇弱的

发表于:2019-02-08 / 阅读(377) / 评论(0) 分类 阅读空间

A possible break in the mystery of the missing Malaysia Airlines Flight 370 plane came when ships detected pings consistent with the aircraft's black box. But how does a black box actually work? Black boxes, or flight recorders, are electronic device

发表于:2019-02-17 / 阅读(323) / 评论(0) 分类 阅读空间
学英语单词
a founding member
a pat on the back
absorption degree
acoustic logging instrument
air floated powder
anomalous colour vision
antimycins
arabinofuranose
Aspido-cotylea
baseline adjustment
bobbysoxer, bobby-socker
boyls
brancato
broken stone hardcore
Brussel
carlsten
chambless
commonuser network
contribution margin method
coreum
correction for free air
credit balances in customers' account
datacasters
debt-swapping
differential permeability
double-lane-change
e arm
economic mathematics
equivalent set
erhards
error of indication for hardness tester
fingerprint compound
form criticism
free from average
friction material test machine
gabrielsen
gunsmithy
haplochromines
hermaphroditic contact
high temperature cemented carbide
Hyperoartia
iliosciatic
instantaneous pole
isoinokosterone
leasehold property
Lennert
line sectionalizing
looked upon
madrano
magnetic excitation
malans
manuhiri
midpeninsula
Miller sweep
money politics
multichannel boiling core
multiple input/output system
natural pollination
nozzle oscillating lever
nuclear armament
observableness
ofcr
offcinal
offer one's condolences
other-attributions
papillectomy
peakling
pfenninger
play the field
polysaccharoses
precharge transistor
prosenchymic
pulse tail
ramshandry
reykjavik
ring face
saarland-museum
satellite TWT
scd
sense papillae
shipment by first opportunity
Sicard's syndrome
sociologized
span winch
stick it to someone
stick-slip friction
studies of the life histories
super-conductive state
supporting stand size
syncope with convulsion
throw out of gear
torque gradient
tracheal retractor
transmission resonance
trypoxyl
vegetable turpentine
vestibula
well-painted
when you're ready
without any point
woodennesses