名词短语
中文翻译：机器的刻痕
同义词：
['mark', 'imprint', "impression例句：1. The engineer carefully stroked the surface of the machine to ensureit was smooth.（工程师仔细地抚摸机器的表面，确保它光滑。）2. Thecar's paint hadbeen heavily scratched by thestroke of a knife.（汽车的油漆被刀子划得很厉害。）3. Theartist used a brush tocreate a stroke of color onthe canvas.（艺术家用画笔在画布上创作出一道色彩。）"]
例句：
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1. The engineer carefully stroked the surface of the machine to ensureit was smooth.
工程师仔细地抚摸机器的表面，确保它光滑。
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2. Thecar's paint hadbeen heavily scratched by thestroke of a knife.
汽车的油漆被刀子划得很厉害。
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3. Theartist used a brush tocreate a stroke of color onthe canvas.
艺术家用画笔在画布上创作出一道色彩。