call sign
名词 n.
英文释义
名词 n.
- A combination of letters and numbers used to identify a radio or television station.
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Any combination of characters or pronounceable words, which identifies a communication facility, a command, an authority, an activity, or a unit; used primarily for establishing and maintaining communications.
— Charlie: I'm Charlotte Blackwood. Maverick: I'm Maverick. Charlie: Did your mother not like you? Maverick: No, it's my call sign.
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数据来源: Wiktionary