However, some experts say that herbicide - resistant weeds could cause serious problems.
但是一些专家指出,对除草剂产生抗体的杂草会导致很严重的问题.
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Herbicide - resistant crops , for example, allow weeds to be killed chemically , rather than plucked manually.
就拿 抗 除草剂作物( Herbicide -resistantcrops)来说,与其依靠化学剂来除草, 还不如用人工的方式拔除.
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