单词：self emptying borer
单词：self emptying borer 相关文章
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
VOA慢速英语2007年（二）月
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
VOA标准英语2014年(七月)
Number20,000 Is Nicola making the bed? No, she isnt making the bed. Whats she doing? Shes typing a letter. Number 90,000 Is Jack putting on his shirt? No,he isnt putting on his shirt. Whats he doing? Hes reading a magazine. Number 70,000 Is the dog d
英语学习乐园
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
英文语法词汇
Streets are finally emptying Ten shutters coming down I'm watching as the city starts to breathe again The mad in crowd dispersing, people going home Just an hour left before the eve descend When the world feels right In the silent night Sometimes if
音乐咖啡厅