Lantern pinion
灯笼式小齿轮，针轮小齿轮，滚柱小齿轮
🧩 词语组成解析
lantern
['læntɚn]
n. 灯笼;灯塔;灯罩;灯饰;
pinion
['pinjən]
vt. 抓住[捆住]（双臂）;
n. <术>小齿轮;
🗣️ 情景例句
I need to be in the top percentage of my class to study abroad.
为出国留学，我的成绩必须在班里名列前茅。
There is nothing worse than apathy.
哀莫大于心死。
But having satisfied the requirements of practical necessity, most people go no further.
但是，大部分人在满足了实际需要后，就不再继续发展这种能力了。