蒽胺,氨基蒽

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(186) / 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(243) / 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(268) / 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(216) / 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(237) / 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(253) / 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(495) / 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(272) / 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(312) / 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(204) / 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(292) / 评论(0) 分类 趣味英语

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发表于:2019-03-02 / 阅读(251) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(247) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(217) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(214) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(216) / 评论(0) 分类 加州英语分级G1

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发表于:2019-03-02 / 阅读(272) / 评论(0) 分类 加州英语分级G1
学英语单词
access to store
Aconitum stylosum
Aioi
Amieira
anti-pitching fin
assembly modulation
besenes
binboga daglari
bon appetit
boron carbide powder
bosses about
botryblastoconidium
bran flake
coder-decoder
cold abscess
cold-preventiving property
coldlike
consolidated annuities
control interval block level
convulsions
cryosurgery of cervix uteri
ctx
data validity
defly
electron-coupled
extortious
factor of proportionality
fixed gain damping
FML
fore funnel
freemason
gefe
germ line(weismann 1865)germ track
get a charge out of
grand population mean
herschelian telescopes
high-pressure die block
Hygrochilus
indestructibility of matter
isotypes
j.gray
jew-fish
keep in leash
law of combining weight
LOB (line of balance)
locomotive operation and its indices
lycopodium somae
mandlen
Marinka
meliola robinsonii
metal reflector
methylacrylate
money-value assets and liabilities
mote cleaning machine
Multe-Pak-4
national performance review (npr)
neutral tax
Nodi lymphatici appendiculares
nondifferent
northern bluefin tuna
octane number sensitivity
persistent
pigmented peribuccale erythema
pilot machining cell
polars
pregnancy dysphonia
Priceless Plaster
ramp with nonslip surface
related coefficients
residual right
rilopirox
run someone ragged
Schijndel
security for default
shard
sheet film
smoke emission standard
smokology
somtum
spectral frequency
splitting decomposition
sufferers
supersonic tactical missile
supporting cells
sushumna
Swiss cheese plants
synchronization domain
Tambaoura, Falaise de
tennis net
thaler
That's right!
thermal neutron range
three-cavity mould
tomming down
tranation
transparent bridging
troopie
Uncle Scrooge
undoubtlessly
ungrounded supply system
vexillum curviliratum
video mixer