Pinion rack
[化] 啮合齿条
🧩 词语组成解析
pinion
['pinjən]
vt. 抓住[捆住]（双臂）;
n. <术>小齿轮;
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;
🗣️ 情景例句
Sunday's their big day.
星期天是他们大生意的日子。
I wish you had called me back the next day,as I had asked you to.
我希望你明天打电话给了我回来,正如我要你做的。
Good idea!
好主意！