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listen-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:
-
listen quietly, without contributing to the conversation
-
listen without the speaker's knowledge
listen-in的用法和样例：
例句
用作名词 (n.)
- Company is mainly engaged in wiretapping.
公司主要从事监听。 - Newly installed seismometers will listen for glacial earthquakes.
新安装的地震仪将可监听冰河地震的声音。
词汇搭配
- listen in 收听(偷听)
