A-c d-c receiver
[电] 交直流接收器
🧩 词语组成解析
🗣️ 情景例句
It's common practice.
这是惯例。
What is bothering you?
什么在困扰你？
The old view of Galileo was delightfully uncomplicated.
令人高兴的是，过去对伽利略的看法并不复杂。