Passive headend
[计] 无源端头
🧩 词语组成解析
[计] 头端器
🗣️ 情景例句
Do you hear something?
你听到什么了吗？
First come, first served.
先来先卖。
I'm sorry to have done that. I didn't mean to be so rude.
我为那样做感到抱歉。我并不想那样粗鲁的。