Rack and pinion
[机] 齿条与齿轮
🧩 词语组成解析
rack
[ræk]
n. 行李架;支架;刑架;（羊、猪等带前肋的）颈脊;
vt. 使痛苦，使焦虑;剥削，榨取;用刑拘折磨;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
pinion
['pinjən]
vt. 抓住[捆住]（双臂）;
n. <术>小齿轮;
🗣️ 情景例句
We have another event to attend on the same day.
那天我们有其他活动要参加。
Who is this?I don't recognize your voice.
你是谁?我不认出你的声音。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；