bye-bye英 [baɪ baɪ]美 [baɪ baɪ]int. 再见复数:bye-byes 英英释义nouna farewell remarkthey said their good-byesSynonym:adieuadiosarrivederciauf wiedersehenau revoirbyecheeriogood-bygoodbygood-byegoodbyegood daysayonaraso long双语例句