R-f preselectors
[电] 射频预选器
🗣️ 情景例句
What did I forget?
我忘记什么？
Where might is master, justice is servant.
有强权，就没有正义。
This is Nicola Grey,and this is Claire Taylor.
这位是尼克拉。格雷，这位是克莱尔。泰勒。