un. 浅滩角砾岩

Lesson 7 Bats 蝙蝠 First listen and then answer the following question. 听录音,然后回答以下问题。 In what way does echo-location in bats play an utilitarian role? Not all sounds made by animals serve as language, and we have only to tu

发表于:2018-11-27 / 阅读(843) / 评论(0) 分类 新概念英语第四册

apparatus 仪器 appreciation 理解 bat 蝙蝠 curiosity 好奇 elapse 消逝 herring 鲱鱼 hull 船体 interval 间隔 obstacle 障碍 obstruction 障碍物 receipt 收到 shoal 鱼群 similar 相似的 squeak 尖叫声 steer clear of 避开 stric

发表于:2018-12-02 / 阅读(136) / 评论(0) 分类 新概念英语第四册单词MP3

Lesson 9 Curiosities of Animal Life 动物生活趣闻 Not all sounds made by animals serve as language, and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian r

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 新概念英语85年上外美音版

By Noel King Akobo, Southern Sudan 22 August 2006 Disarming small militias is an ongoing problem in southern Sudan. Following a proliferation of arms during Sudan's 21-year civil war, rival villages in the region armed themselves, leading to violent

发表于:2019-01-13 / 阅读(283) / 评论(0) 分类 2006年VOA标准英语(八月)

Science and technology 科学技术 Collective behavior 集体行为 Follow my leader 跟领导走 A group's intelligence depends in part on its members'ignorance 群体智慧部分依赖于群体成员的愚昧 HUMAN beings like to think of themselv

发表于:2019-01-26 / 阅读(133) / 评论(0) 分类 经济学人科技系列

Science and Technology Collective behaviour 科技 集体行为 A group's intelligence depends in part on its members' ignorance 集体的智商部分取决于成员的无知 HUMAN beings like to think of themselves as the animal kingdom's smartest a

发表于:2019-01-26 / 阅读(101) / 评论(0) 分类 经济学人科技系列

Technology Collective behavior Follow my leader 科技 集体行为 跟领导走 A group's intelligence depends in part on its members'ignorance 群体智慧部分依赖于群体成员的愚昧 HUMAN beings like to think of themselves asthe animal ki

发表于:2019-01-26 / 阅读(119) / 评论(0) 分类 经济学人科技系列
学英语单词
acromial extremity of clavicle
additional damages
afto
al-ma'mun
aquf
astonishingly
baked good
banner year
basal layer cell
Beckman spectrometer
boiling spread
bottom bench
bubs
cabinet minister
cattle pens
cephalosporin N
Cerastium cerastoides
conjugated electrochemical reactions
consumer durable goods industries
controlling range
corperas
crystal quartz sand
culturati
detecting code
discovery value
don juan (spain)
electronic crosspoint
emergency parking strip
energy of motion
engine attendant
executive veto
fan-drift doors
farysia olivacea
FC
felis yagouaroundis
flooey,flooie
forgiver
Giraudoux, (Hippolyte) Jean
high impact shock test
idrisus
inconsistent problem
indexing type milling fixture
ingoldsby
jelot
keelboaters
lambitive
looted
manic-depressive personality
mogannia basalis
moistureresistant
monheimite
mud cat
multiple-opening hatchcover
navicular articular surface
neuritides
Nothing so bad as not to be good for something.
nuclear armament
nuclear facilities
olivine basalt
open market interventions
Pacahuaras, R.
painslut
past hope
payment pattern
PCCW (primary component cooling water system)
plunger lift when cut-off port closing
poil silk
precautionary demand for money
protobionts
pulse arc starter
Pycreus diaphanus
ranking function
Ranunculus reptans
reichmuth
renosterveld
representation problem
rhodanease
sailing-raft
scarratt
screw balance whip
search through
set one's seal to
Ship's Seaworthiness
signature correction
sir william crookess
six pointer
skymall
sleeve exploder
static writing
stevans
Sturefors
subtractor amplifier
symplectic
tapered plug
temperature standard material for TG
term of settlement
travelling portal jib crane
up anchor
Video download
yammer