快速直线透镜,快速消畸透镜

2006年NPR美国国家公共电台二月-The Rapid Evolution of the Olympics

Don Gonyea: After 17 days of skiing, skating, sliding and yes, even a little doping , the Winter Olympics end today. For NPR sports correspondent Tom Goldman, the Turin Games are the seventh Olympic he has covered. Looking back, he has this essay on

发表于:2019-01-04 / 阅读(107) / 评论(0)

2006年NPR美国国家公共电台

VOA常速英语2008年-Rapid Malaria Tests Change Medical Diagnoses in

By Phuong Tran Dakar 25 April 2008 What started out as Africa Malaria Day was being observed worldwide for the first time on Friday. Health organizations have long said that most of the one million deaths every year attributed to malaria happen in Af

发表于:2019-01-31 / 阅读(69) / 评论(0)

VOA常速英语2008年（四月）

VOA标准英语2009年-South African Police Patrol New Rapid Bus

In South Africa, police have stepped up protection for Johannesburg's new rapid bus service, after two people were shot by gunmen allegedly traveling in a private minibus. Some minibus operators oppose the new service that was launched this week to

发表于:2019-02-12 / 阅读(33) / 评论(0)

VOA标准英语2009年(九月)

Leverkusen defeats Rapid Wien 3-0 in UEFA Europa League

BERLIN, Nov. 8 (Xinhua) -- Home side Leverkusen cruised to a 3-0 win over Rapid Wien to wrap up their third win in Group K and a ticket for the round of 32 in UEFA Europa League on Thursday. The Werkelfs sits on second position in Group K after this

发表于:2019-02-13 / 阅读(40) / 评论(0)

英语新闻

比较so和 such

其规律由so与such的不同词性决定。such 是形容词，修饰名词或名词词组，so是副词，只能修饰形容词或副词。so 还可与表示数量的形容词many，few，much， little连用，形成固定搭配。 so + adj. suc

发表于:2019-02-17 / 阅读(54) / 评论(0)

英文语法词汇

双语有声阅读：人口增长

Population Growth The growth of population during the past few centuries is no proof that population will continue to grow straight upward toward infinity and doom. On the contrary, demographic history offers evidence that population growth has not b

发表于:2019-02-25 / 阅读(36) / 评论(0)

双语有声阅读

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学英语单词

ac commutator motor

air canal

aquatic ambulance car