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标题: VOA慢速英语2012.07.23 [打印本页]

作者: Rebecca949    时间: 2012-7-23 14:11     标题: VOA慢速英语2012.07.23

[audio]http://sound.yywz123.com/tingbbs/voa/voa20120723.mp3[/audio]



Other controls include turning over the soil, pulling the weeds or covering them with mulch made of shredded wood, garden waste or other material.其他手段还包括翻地,拔除杂草或用由木屑、花园垃圾或其他材料制成的地膜覆盖它们。
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作者: cellina    时间: 2012-7-24 09:05

I love tingroom .
作者: 杨飞飞儿    时间: 2012-7-24 14:02

But even mulch has its limits.Natural resource specialists point out that weeds can be transported in mulch .This is also true of soil ,.., hay and animals.




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