苯基二甲脲

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(十一)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(67) / 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(64) / 评论(0) 分类 趣味英语

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(82) / 评论(0) 分类 英语新闻
学英语单词
A. C. L. U.
accipiter
addressing
akenobeite
ANCT
baseband assignment
Benbecula
bibliometricians
bipindoside
burping
busynesse
capillary electrochromatography
cast iron car wheel
cataloguers
celith (celite)
coke tinplate
colo(u)r console
concentration camps
cooker-cooler
coregistered
cotidal line
counterculturism
court case
cross -pollinated plant
development reserves
double arc furnace
dryopteris sieboldii (van houtte) o. ktze.
dueller
e-mail signature
East Dublin
econophysicist
electron capture
epopee, epopoeia
Estiva
family company
Fine Chanpagne
Giulio Natta
gjovik
gros morne national park
habenaria leucophaeas
haxbies
high performance thin-layer chromatography
identified by
innominate fossae
intransnatable
Karnātaka, State of
LDPE
ledger-book
Legal Person of Profit Making
level road
life insurance for children
limoni
link feed tooth
Mainbullau
mbuga
millimeter wave power amplifiers
Mitracarpus villosus
mixed exponential response law
mold repair
multiple systems coupling
multiple-wick oiler
muohwa
myrsinites
Nambudiri
nonsilver photography
off-specular peaks
on-target earnings
pelvi(o)-
peritectic process
petroleum chemistry
Phobetron
phosphoamidases
place under seal
plastic insulation material
postcolumn derivatization
refuse pyrolysis plant
reticulum (or honeycomb stomach)
ridge of high pressure
screw-wedge
sensitized bacillary emulsion
shavehook
silica purge
silicon material
stamp washer
straightway testing
suprahyoid glands
Sφnderjylland Amt
tearing instability
testis (pl. testes)
the Former Yugoslav Republic of Macedonia
thorium tetrachloride
three-quartereds
threshold key
tomato fruitworm
trial of law
Tribune group
Turloc
unalter
unspecifiable
vasa propria of Jungbluth
water fender
Wilson's storm petrel