Circular piston
[电] 圆活塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
All our garments are now poly-cotton, which is stronger, needs little ironing, and allows variations in patterns.
现在我们的服装都是涤棉料的，质地坚韧，不用熨烫并且花样繁多。
I thought I put it in my coat, but it isn't here!
我想我把它放在大衣里，可现在不见了！