名词
中文翻译：推刀
同义词：
['pusher', 'propeller blade例句：1. The pusher blades on the lawn mower are designed to cut through tough grass.（割草机上的推进器刀片设计用来切割硬草。）']
例句：
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1. The pusher blades on the lawn mower are designed to cut through tough grass.
割草机上的推进器刀片设计用来切割硬草。
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2.The propeller blades on the boat's engine spin at high speeds to move it forward.
船发动机上的螺旋桨以高速旋转，推动船只前进。
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3.The new design of the pusher blades has made the tool more efficient and user-friendly.
新设计的推进器刀片使工具更加高效和用户友好。