Lubrication
其它 Other
n. 润滑, 注油, 润滑作用\\n[计] 润滑
📖 牛津释义
lubrication
n[C, U]
(action of) lubricating or being lubricated 加润滑油; 润滑.
🗣️ 情景例句
How much does it weigh?
它多重?
This part of the country is very heavily populated.
这个国家这一部分人口很密集。
Yes. B-double O-K, book.
好的。B-双写O-K,book(书)。
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