残留害虫

Could 1)Insects Be Used as Instruments of Biological Warfare

Broadcast: Jan 29, 2003 The use of insects as agents of warfare is not a new idea. In the 2) Biblical story of the 3) Exodus, one of the 4) plagues visited upon the Egyptians was a horde of 5) locusts

发表于:2018-12-08 / 阅读(39) / 评论(0)

VOA2003（上）-科技先知

AGRICULTURE REPORT - Pest Management

AGRICULTURE REPORT – October 29, 2002: Pest Management By Gary Garriott This is the VOA Special English Agriculture Report. Since nineteen-forty-five, farmers have used pesticides, poisons made from

发表于:2019-01-11 / 阅读(50) / 评论(0)

农业与发展

VOA慢速英语2010年-Agriculture Report - Integrated Pest M

This is the VOA Special English Agriculture Report. Farmers know that if you reduce harmful insects and diseases in your crops, you have a chance for a better harvest. Today, many farmers and experts praise Integrated Pest Management, or IPM. IPM is

发表于:2019-01-12 / 阅读(72) / 评论(0)

2010年VOA慢速英语(十一)月

AGRICULTURE REPORT - Integrated Pest Management

AGRICULTURE REPORT - Integrated Pest Management By Mario Ritter Broadcast: Tuesday, February 22, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. The use of pesticides was an impor

发表于:2019-01-30 / 阅读(68) / 评论(0)

农业与发展

Pest damage worsens in rice-producing provinces

CHANGSHA, Aug. 28 (Xinhua) -- Pests are posing an increasing challenge for the country's major rice-producing areas amid an important harvest year, according to agricultural officials. The Ministry of Agriculture (MOA) held a meeting on pest control

发表于:2019-02-05 / 阅读(59) / 评论(0)

英语新闻

China adds 200 mln yuan for pest control

BEIJING, Aug. 21 (Xinhua) -- China's Ministry of Commerce said Tuesday that it has allocated an additional 200 million yuan (31.75 million U.S. dollars) in subsidies to assist in pest control efforts. The funds, together with 400 million yuan issued

发表于:2019-02-18 / 阅读(63) / 评论(0)

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学英语单词

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almost integrally dependent

be in a subordinate position

bevelled rectangular tie

blind sb to danger

break the back of something

Bryonia alba