动词
中文翻译：使润滑
同义词：
['lubricate', 'smoothen', 'grease例句：1. The car engine needs lubrication to run smoothly.（汽车发动机需要润滑才能顺畅运行。）2. The old wooden chair needed lubrication to stay in good condition.（旧木椅需要润滑才能保持良好状态。）']
例句：
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1. The car engine needs lubrication to run smoothly.
汽车发动机需要润滑才能顺畅运行。
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2. The old wooden chair needed lubrication to stay in good condition.
旧木椅需要润滑才能保持良好状态。
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3.The machine was lubricated before it was put into use.
机器在使用前被润滑了。