名词
中文翻译：润滑剂
同义词：
['grease', 'oil', 'fluid', 'lubricating agent例句：1. The engine needs a new lubricant to keep it running smoothly.（发动机需要新的润滑油来保持顺畅运行。）2. He used a lubricant to make the screws turn more easily.（他用一种润滑油使螺丝更容易转动。）']
例句：
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1. The engine needs a new lubricant to keep it running smoothly.
发动机需要新的润滑油来保持顺畅运行。
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2. He used a lubricant to make the screws turn more easily.
他用一种润滑油使螺丝更容易转动。
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3.Lubricants are essential for preventing friction and wear in machinery.
润滑油对于防止机械摩擦和磨损至关重要。