氟碳钡铈矿

Numbers 民数记26

26After the plague the Lord said to Moses and Eleazar son of Aaron, the priest, 2Take a census of the whole Israelite community by families-all those twenty years old or more who are able to serve in the army of Israel. 3So on the plains of Moab by t

发表于:2018-12-30 / 阅读(63) / 评论(0)

民数记

VOA标准英语2009-Biden: US Committed to Nokor Sanctions

Vice President Joe Biden says the United States is committed to enforcing enhanced U.N. sanctions against North Korea, despite defiant statements from Pyongyang. Vice President Joe Biden in Washington (File) North Korea says new U.N. sanctions could

发表于:2019-01-13 / 阅读(50) / 评论(0)

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2007年VOA标准英语-Opposition Leader Koroma Elected President of S

By Kari Barber Dakar 17 September 2007 Sierra Leone's National Electoral Commission says opposition leader Ernest Koroma has won the nation's September 8 presidential runoff. Kari Barber has more from VOA's West Africa bureau in Dakar. Ernest Koroma

发表于:2019-02-07 / 阅读(81) / 评论(0)

2007年VOA标准英语（九月）

2006年VOA标准英语-US Company Builds Large High-Flying Balloon to

By Mike O'Sullivan Palmdale, California 06 September 2006 Engineers in the California desert are testing a new communications platform that blends modern electronics with old technology. Developers say a helium-filled balloon carrying high-tech equi

发表于:2019-02-07 / 阅读(108) / 评论(0)

2006年VOA标准英语（九月）

美语听力 English Cafe 242

Topics: Preventing Violence in Schools Post Columbine; American Territories: U.S. Virgin Islands; although versus even though; lite; rate versus rank Words: campus massacre outcast bullied minor to claim clique to retaliate Caribbean inhabitant exoti

发表于:2019-02-23 / 阅读(56) / 评论(0)

美语听力 English Cafe

万物简史第306期:地下的烈火(14)

Because we can't see into the Earth, we have to use other techniques, which mostly involve reading waves as they travel through the interior. 我们无法看到地球的深处，因此不得不使用别的方法，主要包括观察波在地球内部的

发表于:2019-02-25 / 阅读(60) / 评论(0)

万物简史

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学英语单词

accumulator injection system

acoustic bulk wave delay line

Aschheim

attfield

available energy supply

calantica quinqelatera