Passive headend
[计] 无源端头
🧩 词语组成解析
[计] 头端器
🗣️ 情景例句
This is Mr. Wu in Room 415.
我在415房间，姓巫。
Where do you go to school?
你在哪里上学？
Since that time, various types of hovercraft have appeared and taken up regular service.
从那以后，各种各样的气垫船出现了，并开始了定期航行服务。