Central lubrication
[化] 集中润滑
🧩 词语组成解析
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
As the old cock crows, so doth the young.
有其父必有其子。
Your life is your own affair.
你的生活是你自己的事。