Calibrating knob
[机] 校准钮
🧩 词语组成解析
v. 校准( calibrate的现在分词 ); 使标准化; 使合标准; 测量（枪的）口径
knob
[nɑb]
n. 球形把手;（收音机等的）旋钮;小块;疙瘩;
v. 鼓起;使有球形突出物;给（门等）装球形把手;
🗣️ 情景例句
I'll have to stand up and let the elderly lady have my seat.
我得起来把座位让给这个老婆婆。
Every dog has his day.
凡人都有得意之日。
My particular experience is largely in oil,
我是专门搞石油的，