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更新日期:2026-08-14
sign sb ↔ out to write in a book that someone is allowed to leave somewhere such as a school, office etc〔在学校、办公室等处〕替某人签退:•Parents must sign pupils out when collecting them for doctor's or dentist's appointments.家长必须为学生签退才能领走他们去看医生或牙医。