R-f preselectors
[电] 射频预选器
🗣️ 情景例句
Get busy with your famous apple pie.
快做你拿手的苹果派吧。
Yes, I've just come back from Scotland.
是的，我刚从苏格兰回来。
What was the name of the book? asked Miss Yang.
“书名是什么？”杨小姐问。