名词
中文翻译：Unknown
同义词：
['imported weed', 'imported grass', 'imported crop']
例句：
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1.The farmers have to deal with the imported weeds that threaten their crops.
农民们不得不处理那些威胁他们庄稼的进口杂草。
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2. The new irrigationsystem is designed to control the importedweeds in the garden.
新的灌溉系统被设计用来控制花园中的进口杂草。
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3. The government has banned the import ofcertain weeds to prevent them fromspreading throughout the country.
政府已经禁止了某些杂草的进口，以防止它们在整个国家传播。