Passive headend
[计] 无源端头
🧩 词语组成解析
[计] 头端器
🗣️ 情景例句
Would a professional photographer be without a picture?
一位专业摄影师会没有照片吗？
Why are you standing behind the door?
你为什么站在门后？
A lot of things can change over twenty-one years.
21年了，许多东西都可能改变的。