Hand lubrication
[机] 手工润滑
🧩 词语组成解析
hand
[hænd]
n. 手;协助，帮助;（工具等的）把，柄;掌管;
vt. 传递，交给;搀扶;支持;
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
That's like closing the gate after the horse has bolted.
那无异于马后炮。
After meat, mustard.
雨后送伞。
Get off my back.
少跟我罗嗦。