listening in

• n. 收听无线电(广播)

listening in的英文翻译是什么意思，词典释义与在线翻译：

英英释义

动词 listen in:

1. listen quietly, without contributing to the conversation

2. listen without the speaker's knowledge

listening in的用法和样例：

例句

1. He is just listening in external of that room.
   他正在那房间的外面留神听着。
2. He is listening in to Radio Beijing.
   他正在收听北京广播电台的广播。