Circular piston
[电] 圆活塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Great! It's a date.
太好了！ 就说定了。
You scared me!
吓我一大跳！
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。