Solid piston
[化] 实心活塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
I'm in the red again, would you mind lending me some money?
我又 囊中羞涩了，借点钱给我吧。
The industrial area is centered largely in the north.
那里的工业区大部分集中在北部。
but it's too small for me.
可是对我来说太小了。