Equalixing piston
[机] 均衡活塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Yeah, and I have to finish this report by four.
是，我在四点之前得完成这个报告。
I've lost my nerve.
我失去了勇气。
and by the time he is grown and able to take part in its activities,
等他长大了，能做各种事了