Zec
abbr. zero-energy coefficient 零功率系数
🗣️ 情景例句
It's time I was off.
我该走了。
Friends must part.
天下无不散之筵席。
We have just moved into a new house and I have been working hard all morning.
我们刚刚搬进一所新房子，我辛辛苦苦地干了整整一个上午。