Hydrodynamic lubrication
[化] 液动润滑; 液体动力润滑
🧩 词语组成解析
a. 水动力学, 水力的, 水压的
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
That's right. Grandpa hangs it there for good luck.
是的。爷爷把它放在那儿 以求好运。
He's a composer of folk ballads.I like his music a lot.
他是民谣歌曲作曲家，我很喜欢他的音乐。
The factory has been there for several years.
这家工厂在那儿已有好几年了。