名词
中文翻译：谷类
同义词：
['grain', 'grains', 'cereal', 'barley', 'wheat']
例句：
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1. The farmer harvested the crops in the field.
农民在田野里收割庄稼。
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2. We need to store our grains properly to prevent them from spoiling.
我们需要妥善储存我们的谷物，以防它们变质。
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3. The grains of rice are small and round, while the seeds are larger and flat.
稻米的颗粒小而圆，种子则较大且扁平。