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(818) / 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(116) / 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(143) / 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(271) / 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(118) / 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(89) / 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(102) / 评论(0) 分类 经济学人科技系列
学英语单词
absorption of alcohol
Anopheles labranchiae labranchiae
auditionee
Benfurodil
boothage
Bovina
carrier-current relaying
ceramic tip
chronic cystitis
Clausena lansium Skeels
communicable-disease
compression vacuum gauge
countertrafficking
cubbiest
deervetches
deservient
Di-Iodofluorescein
diagonal topping
dibenzphenanthrene
dog button
engano
engine operating temperature
enwisen
external hirudiniasis
extrapolative forecasting
feedfoward control
filing data
flexible scheduling
foremother
forward-field impedance
fracture direction
friction hoisting
fuselage truss wire
generalized upper bounded techniques
get a guernsey
harnessed antelope
hatch stiffener
helical elastic tube
howdunit
humbolt
idiotically
iii-v compound semiconductor
immediate separation
incensors
jv
Kirbi
kogu
l.h.o.o.q
lace furnishing machine
large gear ring
lemon cream
lexical word
liquor merbromini chirurgicalis
low myopia
lymphadenosis aleukacemica parasitaria
market abroad
Masjid Moth
mineral content of water
mini steel plant
mount st. helenss
natural ability
neotocopherol
nicotine compounds
no doubt whatever
non-wetting liquid
nondegenerate
nonprotective
nurmi
ophthalmia nodosa
out-compete
para-normal
perm
pipe-line communication
politically organized society
populo
price scissors
Print Layout
printing technologies
radices mesenterii
refractory organics
safe driver plan
selenonyl chloride
ship surveyer
short-term unemployment
slovenly
South African War
stand-by generating station
stannonic acid
structured design phase
surge forward
swarajist
taking a dip
tapered foot roller
ticket prices
undecoded
underhand attack
upshoot
upsilon
urbanizers
valuest
vervet monkey
Waingapu