Circular piston
[电] 圆活塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Well, we all go through this at some stage of life, some of us buy a wig and some of us just stay bald.
我们全部会在生命中的某个时期经历脱发这种事，有些人会去买假发，有些人则会留个光头。
Her attitude towards him has changed.
她对他的态度改变了。
In it there was a boatman fast asleep.
船上有一船夫在呼呼大睡。