双脱氧法
(dideoxy 的复数)

Three centuries later, shortly before the birth of Christ, Egypt was still ruled by a living goddess, Cleopatra, a Greek 1) descended from one of Alexander’s generals. She looked back to the Golden

发表于:2018-11-28 / 阅读(376) / 评论(0) 分类 疯狂英语2002年

Personality and Appearance 1.Tell me about your father. What kind of person is he? Well, he's very friendly, smart and funny. 2. What does he look like? He's young, short and handsome. He has straight black hair and green eyes. 3. What does your moth

发表于:2018-12-02 / 阅读(182) / 评论(0) 分类 英语词组对话

If the world were a Village of 100 People 如果世界是个一百人的村落 David J.Smith/大卫.史密斯 Shelath Armstrory /谢拉.阿姆斯壮 If we could shrink the earth's population to a village of precisely 100 people, with all the exstin

发表于:2018-12-07 / 阅读(256) / 评论(0) 分类 世界上最美丽的英文-人生短篇

U.S. Secretary of State Mike Pompeo recently concluded another trip to North Korea to meet with government officials to discuss denuclearization. During a press conference in Tokyo Secretary Pompeo said, Let me make clear, North Korea reaffirmed its

发表于:2018-12-08 / 阅读(168) / 评论(0) 分类 VOA标准英语2018年(七月)

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发表于:2018-12-30 / 阅读(183) / 评论(0) 分类 单词解析速记

Grammar Girl here. Today I'm inspired by a couple of listener questions. Hi, Grammar Girl. This is Katie, and I was wondering if you could touch on your and you're. There's not a day that goes by that I don't see this grammar mistake. Thanks a lot. K

发表于:2019-01-02 / 阅读(210) / 评论(0) 分类 英语语法 Grammar Girl

Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H

发表于:2019-01-02 / 阅读(183) / 评论(0) 分类 60秒科学

Georgian troop rebellion 'over' 乔治亚军队叛乱结束 A mutiny (兵变,反抗) at a military base near Georgia's capital, Tbilisi, is over, the Georgian interior minister (内政部长) says. Vano Merabishvili said the commander (司令官,指挥官) of th

发表于:2019-01-07 / 阅读(193) / 评论(0) 分类 英语新闻

This is the VOA Special English Health Report. Researchers say more than half of young people who use MySpace often discuss high-risk behaviors. Two studies of the social networking site recently appeared in the Archives of Pediatric and Adolescent

发表于:2019-01-11 / 阅读(201) / 评论(0) 分类 VOA慢速英语2009年(二)月

The popular revolts roiling Egypt and other Arab countries are being driven by young people clamoring to oust autocratic governments they have known all their lives. The hardscrabble Tunis neighborhood of Ettadhamen provides a representative look at

发表于:2019-01-14 / 阅读(197) / 评论(0) 分类 VOA标准英语2011年(二月)

A: Have you met the new girl? B: No. Have you? A: She's one of the prettiest girls at the school. B: What does she look like? A: Well, she's quite short. B: How tall would you say that she is? A: I would say she's only 5 feet. B: What about her facia

发表于:2019-01-18 / 阅读(157) / 评论(0) 分类 英语闲谈

A: There's a new girl in school, have you seen her yet? B: I haven't seen her yet. A: I think that she is very pretty. B: Tell me how she looks. A: She's kind of short. B: What height is she? A: She's probably about five feet. B: That's nice, but tel

发表于:2019-01-18 / 阅读(124) / 评论(0) 分类 英语闲谈

A: Have you seen the new girl in school? B: No, I haven't. A: She's really pretty. B: Describe her to me. A: She's not too tall. B: Well, how tall is she? A: She's about 5 feet even. B: What does she look like, though? A: She has pretty light brown e

发表于:2019-01-18 / 阅读(257) / 评论(0) 分类 英语闲谈

People are strange, when they are strangers. Thats from a famous song. I do agree with it, although I do think all people are strange. Its a good thing that people are strange. If we were all the same, life would be boring. Its the fact that we are a

发表于:2019-01-21 / 阅读(261) / 评论(0) 分类 纯正英语一分钟

PEOPLE IN AMERICA - September 8, 2002: Edward Weston By Mario Ritter Point Lobos VOICE ONE: I’m Mary Tillotson. VOICE TWO: And I’m Steve Ember with the VOA Special English program, PEOPLE IN AMERI

发表于:2019-01-30 / 阅读(234) / 评论(0) 分类 People in America

LOS ANGELES, Aug. 24 (Xinhua) -- Frank DiLeo, the late King of Pop Michael Jackson's former manager during the 1980s, has died at his home in eastern Ohio Wednesday. He was 63. The music industry veteran, who was often seen toting a cigar, passed awa

发表于:2019-02-02 / 阅读(201) / 评论(0) 分类 英语新闻

Jeff: So where are you from? Tim: I'm from Oregon. It's right above California. It's on the West Coast of America. Jeff: So the State of Oregon. Tim: It's on the West Coast between California and Washington. Jeff: So you're neighbor states, say Calif

发表于:2019-02-03 / 阅读(184) / 评论(0) 分类 原版英语对话1000个

People Who Exercise on Work Days are Happier People's mood significantly improves afterexercising People who exercise on work days are more productive, happier and suffer less stress than on non-gymdays, scientists revealed today. University of Brist

发表于:2019-02-03 / 阅读(177) / 评论(0) 分类 阅读空间

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发表于:2019-02-14 / 阅读(308) / 评论(0) 分类 世界各地新闻集锦

在外国如何打出租车Takeataxi A: Manhattan Square, please. B: All right, sir. When are you supposed to be there? A: Id like to go around the city, if you dont mind. -请到曼哈顿广常 -好的,先生。要求几点到。

发表于:2019-02-15 / 阅读(198) / 评论(0) 分类 实用英语
学英语单词
17-OHD
accident in shunting operation
Angra dos Reis
appeasement display
arberye
autoperformance
Bacchic/Dionysiac amphora/vase
banksia integrifolias
beneficences
Bjarmian
bonder
Bussard ramjet
campervanners
casement windows
catheter-gauge
central sleep apnoea
Chiritopsis bipinnatifida
circumscripta pericardii sclerosis
citral b
clausis virial theorem
Coelogyne schultesii
collet housing
Cot curve
cpgc
creams off
dead space characteristic
degree of illumination
digital analysis
diminishing coil
distributing ring
domestic silkworm moth
Dracocephalum hookeri
eighteenyear-old
emery bit
Ergamisole
ergodynamograph
external payment
flying sounder
gafflin
give yourself up
happenny
health appraisal methods
heat polymerization
hemeproteins
hydroglyphus amamiensis
information generation
judgement debt
jump boots
legshow
leishmanic
lineolate
london city ballet
loxoconcha kattoi
mandata
mid-calf length
milverine
monodonta perplexa
Montessori, Maria
mountain pine
news story
nonoffensive
nonpolymorphic
nonproliferation treaty
Obshchiy Syrt
okayness
Olivos Bank
once-bustling
ordinarily
osphresiomete
osteogenic bud
outpulsing
pearlite structure
penicillin enrichment technique
perishable biological substance
petro-
pipette method (pipette analysis)
port clause
power reactive
pre-emergence herbicide
prefactor
primary mother-tree selection
pro-gens
processing of electromagnetic signals
pucci
Queen Mary Coast
Rhododendron yushuense
ruchills
saraceno
scare away
screw-plunger
secondary planet
semiclosed cycle
shaughnessy
shift forward
ship international call sign
siretape
stenophagous animal
stichillus suspectus
sylvae
ultrasonic massager
Zenker diverticulum
zyxins