[网络] 单羟基化

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(47) / 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(283) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

英语里你不知道的几个小秘密 The shortest complete sentence in the English language consists of only one word and that is Go. 英语里由一个单词组成的最短的完整的句子就是GO。 The oldest word in the English language is t

发表于:2019-02-04 / 阅读(72) / 评论(0) 分类 实用英语

与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe

发表于:2019-02-06 / 阅读(110) / 评论(0) 分类 英语学习方法

1. The shortest complete sentence in the English language consists of only one word and that is Go. 英语里由一个单词组成的最短的完整的句子就是GO. 2. The oldest word in the English language is town. 英语里最有年头的一个词

发表于:2019-02-25 / 阅读(103) / 评论(0) 分类 英文语法词汇
学英语单词
aleukemic splenomegaly
alieniloquy
anti-abortion measuccessful gestation
applied forward voltage
astrophotometers
aureaus
axe murderer
Barach's index
Behring's serum
busy condition
by-pass conduit
calculatest
camouflaged
cast-up
casual alien
chronic idiopathic urticaria
cirrus floccus
class of trade
clearing line
communis opinio
computer subsystem
consolidated annuities
cowhides
crouch to sb
cuspplane
darknesses
daunomycins
diconchinine
disgracia
dysenterious
Dāsna
Ehretia dicksonii
engine hands
enlils
excess-of-loss ratio treaty reinsurance
exhaust slide valve
finfooted
forming wings
fume extraction equipment
generator drive axle
go to pieces
godafosses
hand chipping
heli-skis
hired girl
hrezo
Hypothetical Salvage
hypoxylon rutilum
in expectation
incident room
inductosyn droop meter
interleaved pulse train
intermediate callus
jornada
Juac Bor
kishens
konike
lateral slide mo(u)ld
Linton-on-Ouse
management of marine disaster reduction and relief
manned spacecraft main landing site
metallises
metes and bounds
morenas
N-methylhydrazine
non-arts
Olympus Knoll
oversea ship
pay in book
peltier junction
perdiligent
photolytic
pilot tap
playing it cool
pohlia crudoides revolvens
Popov's condition
posterior expected loss
ready control input
restoring spring case seat
rootability
scanty
schenbeck
sheath fold
shmup
sieving mechanism
skenazy
sorgoes
source of sediment
step sagging guard
surface of centres
swelling out
take turns
tampa b.
under-paid
underways
universal water charts
upper ram
vibraharp
vocals
whitenape
wildering
winterfeeding