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answer back
词语: answer back
解释: 应答返回
词典: 电信专业英汉词典
answer back 相关解释
answer back 〔名词〕回答
answer back 应答,回答信号
answer back 回答(指灯号、音响信号、电信号、旗号等)
应答返回 〔名词〕answer back