R-f preselectors
[电] 射频预选器
🗣️ 情景例句
What kind of personality do you think you have?
你认为你具有哪种性格？
Father won't get mad about your mistake.
父亲不会为你的错失生气的。
This is a telephone with a tape recorder.
这是一台带有磁带录音机的电话。