un. 烷基脲
[网络] 烷基尿素

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(十)月

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

发表于:2019-02-03 / 阅读(156) / 评论(0) 分类 经济学人科技系列

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

发表于:2019-02-07 / 阅读(110) / 评论(0) 分类 趣味英语

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问,精简军方的官

发表于:2019-02-08 / 阅读(90) / 评论(0) 分类 英语单词荟萃

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(129) / 评论(0) 分类 英语新闻

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A

发表于:2019-02-12 / 阅读(97) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
ambassador plenipotentiary
antimonious chloride
auxiliary reservoir
blade disc
boils down
Caillaud
cargo release
carnaubyl
catachromasis
co-regulated
copper(ii) carbonate
Corydalis anthriscifolia
Dairy Belt
dead mts.
deep basin gas trap
detachable cabin
diatomite product
dolabra
ECCO2R
elden
enclosed feed gear
epizootically
erck
expansion bracket
farm and home unit approach
full of the moon
galvanic element cell
Ghalend
gold dredger
Guanyinqiao Formation
houpelande
Iaponia
inte grated communication navigation and identification
introductory course
Jackson's alloy
kalisher
krustev
Kāpīsā, Velāyat-e
lachrymo-nasal
last penny
leftmost bit
Lilla Luleälv
lisp object-oriented programming system
logical input device
lot tolerance per cent defective
maintenance costs
MDOPA
metals in bar
micropubescin
miscapitalised
Mixe-Zoque
moderation age theory
musculi incisivi labii superioris
mycale
Mühlenbeck
neolithic
nice selection
niched
non-aggressions
numeric compression
oralising
oxide breakdown
parking tier
pay raise
photoprotect
pigmented tongue
pigmented yeast
plantar fasciitis
powderlike
press-felt stretcher
profit from sth
pronometer
range curvature
revolving crystal method
rhodamine-phalloidin
ROWTHT
ruiniform
saturation of forces
sidewall vessel
silicon crystal
sophumer
special reconnaissance
Streptothrix leproides
take your mind off something
taupier
terrace scarp
tourist-market
toyshops
trematodiasis
turns-about
two throw crank
Ulu Yam
unconstraining
unducted
V-bend die
vagile-benthon
valve crown
vertical pressure leaf filter
what has happened to...?
wissants
Wohl-Zemplen degradation of sugars