Rack and pinion adjustment
[机] 粗齿调整装置
🧩 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
When you understand the cultural background, you can better use the language.
当你了解了文化背景，你就能更好地运用语言。
To run away from his sister
从他姐姐那儿逃走
The children compete against each other to reach the other end of the pool.
孩子们比赛看谁先到达游泳池的另一端。