名词
中文翻译：谷物收割机
同义词：
['grain harvester', 'grain thresher']
例句：
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1. The farmer used a grain scraperto clear the field before planting.
农民使用谷物收割机在播种前清理田地。
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2.The grain scraper was designed to efficientlyremove the wheat from the fields.
谷物收割机被设计用来高效地从田地中移除小麦。
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3. The grain scraper isan essential tool for farmers in the harvestseason.
谷物收割机是农民在收获季节必备的工具。