[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(84) / 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(115) / 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(140) / 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(113) / 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(109) / 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(140) / 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(357) / 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(157) / 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(186) / 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(88) / 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(188) / 评论(0) 分类 趣味英语

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发表于:2019-03-02 / 阅读(135) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(129) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(120) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(162) / 评论(0) 分类 加州英语分级G1
学英语单词
airless injection burner
aralia repens max.
arithmetic(al) progression, arithmetic(al) series
automatic black level
ball player
Barcadera
barkhan
big beasts
bodycams
Bol'shoy Zelenchuk
Bridgwater Bay
catalhuyuk
catchcry
Chabad-Lubavitch
chironomus formosae
coal shovel
common notion
contingent liability incured by notes
contratabular
control feature
cost increases
cruciform absorber section
Dalovice
digestible crude protein
duotheists
Duquesnel's aconitine
ego-identities
energy stabilization
euonymoside
euonymus microcarpus (oliv.) sprague
Eurojust
examining cystoscope
exclusivizes
flexible steel
gang saws
gasps
good soil management
grasier
grasp the shadow and let lose a substance
homoisohydric
Hubbard, Elbert
inclusionism
Indo-Australian realm
ingot conditioning
installation diskette
ionic propulsion
issac
JNLP
knacks
La Mina, Cerro
lentisk
Litt.D.
lkea
long-term global trends
Ludfordian
magneto bell
Marcha Real
mode expansion propagation method
mort cloth
MS-
Newtonian attraction
NF6
nitrafudam
non-scarring moxibustion
non-spectral colo(u)r
nonmanual
Oettel coulometer
pause key
Perth Basin
poisoning of the reactor
potyvirus tulip breaking virus
Pound, Roscoe
propellant cut-off
psychotic symptoms
pyocyaneus infection
quasi-international law
red-pepper
Robin Hood tax
Rolston
scaritines
secondary option menu
semi-continuous type
semiprosperous
sepilok
ship classed in A.B.
simple parity code
splenon
steam-turbine-electric drive
story teller
superficial exfoliative esophagitis
T-flip flop
taits
telephone hybird coil
tempered glass door
testing of wiring
Th M
tooling
ultrahigh frequency spectroscopy
unbounded spectral operators
ventometer
vicarious dysmenorrhea