名词
中文翻译:润滑剂
同义词:
['lubricant', 'grease']
例句:
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1. The engine needs to be lubricated regularly to prevent wear and tear.
发动机需要定期润滑,以防止磨损。
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2. The car's engine oil is low;we need to replace the lubricant.
汽车的机油已经低了,我们需要更换润滑油。
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3. Lubricants are essential for preventing friction in moving parts.
润滑油对于防止移动部件之间的摩擦至关重要。