名词
中文翻译：打谷机
同义词：
['thresher', 'threshing machine']
例句：
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1.The farmer uses a fulling to separate the grain from the husks.
农民使用打谷机将谷物与壳分离。
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2. The fulling is essential for breaking down the tough outer layer of the grain.
打谷机对于打破谷物的硬外壳至关重要。
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3. The fulling has been a staple in many farming communities for centuries.
打谷机在许多农业社区中已经存在了几个世纪。