locust borer
【昆虫】洋槐天牛

VOA慢速英语 2007 0220a

This is the VOA Special English Agriculture Report. A beetle invasion in the United States has killed at least twenty million ash trees. The invasion of the emerald ash borer was first discovered near Detroit, Michigan, in two thousand two. Experts b

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VOA慢速英语2007年（二）月

VOA标准英语2014--美用黄蜂对抗甲虫入侵

Wasp Recruited to Fight Invasive Beetle 美用黄蜂对抗甲虫入侵 Scientists are pitting insects against insects in a battle to control an invasive species. U.S. Department of Agriculture researchers have released tiny parasitic wasps in forests

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VOA标准英语2014年(七月)

AGRICULTURE REPORT - Locusts in North Africa

AGRICULTURE REPORT - Locusts in North Africa By Mario Ritter Broadcast: Tuesday, August 03, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Crop damage in Mauritania. An inva

发表于:2019-01-30 / 阅读(26) / 评论(0)

农业与发展

2007年VOA标准英语-UN Warns of Potential Locust Invasion in Flood-

By Lisa Schlein Geneva 15 September 2007 The United Nations warns floods in West Africa could provoke an invasion of locusts in Mali and Niger. It says it is critically important that UN experts be given access to the locust-prone region so they can

发表于:2019-01-31 / 阅读(88) / 评论(0)

2007年VOA标准英语（九月）

英语词汇分类：矿业、采矿

bed, deposit, field 书馆矿床 outcrop 露头 fault 断层 vein, sean, lode 矿脉 gold reef 金矿矿脉 pocket 矿穴 reservoir 储藏 water table 潜水面，地下水面 mine 矿 stratum, layer 矿

发表于:2019-02-06 / 阅读(69) / 评论(0)

英文语法词汇

英闻天下——370 'Locust Vision' Could Stop Car Crashes

SHANGHAI DAILY A call to relax adoption criteria A Chinese lawmaker is calling for the government to make adoption easier amid the increasing number of families who want to adopt. Jia Weiping, director of the Shanghai Diabetes Institute, says inferti

发表于:2019-02-14 / 阅读(58) / 评论(0)

英闻天下

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admissive

Aethyldigitoxin

agc unit generation summary

atrichadenotecnum tayal

autocap