英语听力论坛 » 【VOA慢速教室】 » VOA慢速英语2012.07.25

Rebecca949 发表于 2012-7-25 15:24

VOA慢速英语2012.07.25

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Some people burn weeds or bury them deeply or make them into mulch. Professor Curran says another way to make use of weeds is to compost them. Heat is produced in the process of making organically rich compost to improve soil.有些人会将杂草烧掉或深埋，或将它们变为地膜。柯伦教授说，另一种利用杂草的方式是将其制成堆肥。制造有机堆肥来改善土壤，此过程会产生热量。
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杨飞飞儿 发表于 2012-7-27 13:42

the heat will kill many or not all with seeds
the same of truth to pass through animals regrays on with weeds

jizhao19960124 发表于 2012-8-12 21:59

:handshake

zhant220 发表于 2012-10-8 16:43

the heat will kill many but not all weed seeds, the same is true for seeds that pass through animals grades on weeds

smily527 发表于 2012-10-20 11:37

有些词没听懂

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