Contact lubrication
[计] 触点润滑
🧩 词语组成解析
contact
['kɑntækt]
n. 接触;触点;[医]（传染病）接触人;门路;
vt. 使接触;与…联系;与…通讯（或通话）;
vi. 联系，接触;
con共同+tact接触→共同接触 → 接触；联系
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
Yes?
怎么？
Well, hello, stranger! Have you moved something?
你好，久违了！你是迁居了还是怎么样啦？
She was not especially pretty. But she was extremely bright.
她不是特别漂亮，但她极聪明。