Balancing piston
[化] 平衡活塞
🧩 词语组成解析
[计] 平衡, 均衡, 结算\\n[经] 平衡, 结出余额
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Excuse me? What did you say?
对不起，你说什么？
We must listen carefully to the teacher.
我们必须注意听老师说的话。
What's the time?
几点了？