Telefilter
通信濾波器
??? 情景例句
He has an old head on young shoulders.
他年輕又有見識(shí)。
I want to make a long distance call.
我想要打一個(gè)長途電話。
Perhaps I' ll go to that one.
我也許會(huì)去聽聽那個(gè)報(bào)告。