名词
中文翻译：作物覆盖物
同义词：
['crop protection', 'crop shelter', 'crop barrier']
例句：
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1. To protect the crops from pests, farmers use crop covers.
为了保护作物免受害虫侵害，农民使用作物覆盖物。
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2. The farmer used a crop cover to prevent weeds from growing in his fields.
这位农民使用作物覆盖物防止杂草在他的田地里生长。
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3. The crop cover was designed to keep the soil warm and moist during the winter months.
这种作物覆盖物的设计目的是为了在冬季保持土壤温暖和湿润。