抗性基因频率

老友记第一季第十七集英文歌：What's the Frequency, Kenneth

What's the frequency kenneth is your benzedrine Uh huh I was braindead locked out numb not up to speed I thought I'd pegged you an idiot's dream Tunnelvision from the outsider's screen I never understood the frequency Uh huh You wore our expectations

发表于:2018-12-13 / 阅读(88) / 评论(0)

Friends 老友记全10季英语插曲

VOA慢速英语2011--A Closer Look at High-Frequency Trading

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(82) / 评论(0)

2011年VOA慢速英语(十)月

VOA标准英语2008年-Lord's Resistance Army Warns Against UN-Backed

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(79) / 评论(0)

VOA标准英语2008年（九月）

SSS 2009-01-20

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For years, scientists and physicians have been up in arms about the rise in antibiotic resistance. Seems that many bacteria, devious buggers that they ar

发表于:2019-01-08 / 阅读(55) / 评论(0)

Scientific American(一)月

VOA标准英语2011--Genetically-Modified Fungus Kills Malari

University of Maryland scientists are working on a genetically-engineered fungus that would kill the malaria parasite. The battle against malaria continues to challenge doctors, scientists, and public health officials. Now, a team of British and Amer

发表于:2019-01-14 / 阅读(72) / 评论(0)

VOA标准英语2011年(三月)

Developing Wheat Resistant to Leaf Rust

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(65) / 评论(0)

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accounting application

cadmium sulphide photoconductive cell

caramel-brown