R-f preselectors
[电] 射频预选器
🗣️ 情景例句
Susan Stewart's office.
Susan Stewart办公室。
What are you trying to pull?
你在玩什么把戏？
I went on an excursion recently, but my trip took me longer than I expected.
最近我作了一次短途旅行，但这次旅行所花费的时间比我预计的要长。