Mechanical lubrication
[化] 机械润滑; 强制润滑
🧩 词语组成解析
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
Nice talking to you, sir.
我也很高兴与您交谈 ，先生。
How much do you know about the works of Henry Wadsworth Longfellow?
你对亨利·朗费罗的工作知道多少？
I slipped and fell downstairs.
我滑了一跤，从楼梯上摔下来了。