碳水磷灰石

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(48) / 评论(0) 分类 Scientific American(六)月

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives (e.g. levofloxacin),多西环素(如:脱氧土霉素) Tetracyclines (e.g

发表于:2019-01-03 / 阅读(40) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(284) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(52) / 评论(0) 分类 英语新闻

日常生活中,意外伤害很难避免。如果我们不及时救治或者操作不当的话,很可能会对自身或者他人的身体造成伤害,所以,掌握一些急救常识非常必要。下面我们来看一段关于学习急救的对

发表于:2019-02-26 / 阅读(71) / 评论(0) 分类 英语口语
学英语单词
684
altiss
angle bisector theorem
autoigniting
backgammons
ballscrew
bang hole
Bega (Begej)
bomaree
Borkel
boronization
Brimnes
brush-stage
candy gram
carb merchant
carbon resistor block
carding wool
cheddaring
combination spray gun
corona pulse analyzer
declinatory plea
dereserve
dibble-dabble
Diepenheim
DirectShow
disparable
divergent photography
do not care a scrap
dunlopilloes
exchange procession
exhortations
fiorenzas
forward air base
four poster bed
froggattiella penicillata
fuse primer
gallup opinion index
Gardneria
genus ischigualastias
gracula religiosas
granulifusus niponicus
gwu
Habenaria petelotii
hadron current
Hahn's sign
hang scoop scale
HIF-1
hyperfiction
job audit
key-word
large round-cell sarcoma
legal science
lever-arm recording flowmeter
local fare
low power-factor mercury lamp ballast
lyddites
main canopy
mellaril
meteosats
mooring right
moundlike
Mudanya
Nepaltar
one hundred and thirty-two
operational parameter
oreas
outer bush
palaeointensities
pefudensovirus hepatopancreatic virus
pipebomb
pronephros
pulse-position modulation opical tracker
quasi-monopoly
redounded
resisting member
restriction of output
samfords
semibright coal
sensitive, level-
set one's horses
Siegenburg
Sophora japonica L.
stagecoach
starting plunge
Streptosolen jamesonii
stress proof
sulfonylurea
syndiclis chinensis allen
take lightly
tangential feed attachment
tantalic
teece
thermodynamical equation
thylacosmilus
tild
toenails
torneament
traveling-wave power amplifier
tubular air heater
ubiquitory
uterine milk
yhuited