[化] 蒽绛酚; 1,5-二羟基蒽醌

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker joins us from Los Angeles to talk about phrasal verbs. The first word is a verb. The second word, sometimes even a third, is usually a preposition. Ph

发表于:2018-12-04 / 阅读(96) / 评论(0) 分类 词汇大师(Wordmaster)

The Ant and the Dove An ant went to the bank of a river to quench its thirst, and being carried away by the rush of the stream, was on the point of drowning. A Dove sitting on a tree overhanging the w

发表于:2018-12-05 / 阅读(132) / 评论(0) 分类 创世记

The Ant and the Grasshopper In a field one summer's day a Grasshopper was hopping about, chirping and singing to its heart's content. An Ant passed by, bearing along with great toil an ear of corn he

发表于:2018-12-05 / 阅读(159) / 评论(0) 分类 创世记

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker joins us from Los Angeles to talk about phrasal verbs. RS: The first word is a verb. The second word, sometimes even a third, is usually a preposition

发表于:2018-12-30 / 阅读(125) / 评论(0) 分类 词汇大师(Wordmaster)

Grammar Girl here. Today, guest-writer Bonnie Trenga helps us understand modifiers that come at the beginning of a sentence. Bonnie says, As a guest-writer, I plan to talk about two kinds of troublesome modifiers that begin a sentence. Like many of y

发表于:2019-01-02 / 阅读(124) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Listen up, everyone! Todays topic is phrasal verbs, as in to listen up. And now, guest-writer Bonnie Trenga writes, a listener, Paulino from Minneapolis, would like to know what phrasal verbs are and why they are called that. Phras

发表于:2019-01-02 / 阅读(152) / 评论(0) 分类 英语语法 Grammar Girl

After you have greeted your guests, you will begin to go through the main body of your presentation. It's very useful to have some visual aids - some slides, pictures or graphs that help explain what you are saying. Sometimes they can also help to k

发表于:2019-01-07 / 阅读(380) / 评论(0) 分类 英语讨论

An ant once leaned too far over the edge of a fountain and fell in-to the water.A dove was watching from a tree nearby.She saw that the ant could not swim so she plucked off a leaf and threw it down to him.He managed to scramble onto it and in

发表于:2019-01-26 / 阅读(172) / 评论(0) 分类 趣味英语

One cold,frosty day in the middle of winter a colony of ants was busy drying out some grains of corn which had grown damp during the wet autumn weather.A grasshopper,half dead with cold and hunger,came up to one of the ants.Please give me a

发表于:2019-01-26 / 阅读(209) / 评论(0) 分类 趣味英语

Zahra' Langhi 曾是利比亚愤怒日运动的一员。愤怒日运动有助于推翻卡扎菲专制政府,然而利比亚之后又该何去何从呢?在利比亚的第一次大选中,人们尝试创新了候选人名单交叉式候选人名单,

发表于:2019-02-05 / 阅读(110) / 评论(0) 分类 TED公开课:世界权势大转移

An ant and a fly were contending heatedly who was of greater importance.The fly was the first to begin:Can you possibly compare with my endowments?When a sacrifice is made,I am the first to taste the entrails that belong to the Gods.I pass

发表于:2019-02-06 / 阅读(201) / 评论(0) 分类 趣味英语

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发表于:2019-03-02 / 阅读(147) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(148) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(177) / 评论(0) 分类 加州英语分级G1
学英语单词
.lb
above sb's bend
Amblyopsis
anemonic
anti-rabic
asbestos
back-water valve
beehive states
bell beaker
Belvisia
Bettona
binucleates
biocosmonautics
bomba
broilermen
Caxitoré
citronellyl butyrate
class A push-pull sound track
close trimming
combined set
compass frame
conjugated monomer
corrosion-resistant bearing
cryomagma
Customer Information Control System for Virtual Storage
cypripedium calceolum l.
david's empty cell test
delay of traffic flow
demand density
deoxyribonuclease(DNase)
Drunupal
edminton
electric contact material
energy-consumings
enter context command
equilibrium system economics
fashion product life cycle
Fraxinus bungeana
front back connection
fugax
harbour-front
Heawood's conjecture
hematogenic organ
highly excentric orbit satellite
income tax payment
indicophose
inescating
isopachyte
Kamyr filter
kazym r.
keirans
kokus
lathe center grinder
laughmaker
left linear space
lin
lowest tender
Mann-Whitney statistics
meeting paper abstract
mercury(ii) nitrate
methylene group
metricsystem
micro-image
microcomputer operating console
monkeybone
motor commutator
murp
night flying chart
non-jacquard machine
nonvolatile residue
nucleophilically
Octaphenylcyclotetrasiloxane
palakkad (palghat)
panchromia
piss-takes
plumeries
precisely
prisigeon
pumice
Richtex
right-foot
safety factor of shear stress
same direction
Sapakan
SCFS
St. Louis encephalitis
standards of practice
stoitchkov
Tapsony
tcnicos
telecurie therapy unit
tethered submersible
topside facility
unbalance phase
underparts.
user written program
uslico
ventureone
veterinarian surgeon
welded texture
willman
working deadline