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Even fearsome wasps high in treetops, are no match for the implacable ants. They watch helplessly as their own larvae are stripped from their honeycomb cribs. Now, the porters take up their burdens, they carry the movable feast back to the unquenchab

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By Mario Ritter Broadcast: November 4, 2003 This is Steve Ember with the VOA Special English Agriculture Report. There are lots of insects that farmers hate. But there also are some they like. These p

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AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

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台湾籍旅美老师今天交给我们的句子是： Water left outside can also start growing algae and host mosquito larvae, which will make you sick and is gross to think about, but not as gross as thinking about the dust inside your house landi

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apparent formation water resistivi ty technique