1. backup/'bæk,ʌp/ 备用、替补、备胎He's just a backup. She's not really into him.他只是一个备胎。她真的没那么喜欢他。It's over. I refuse to be your backup.结束了。我拒绝作为你的备胎。2. rebound /'ribaʊnd/ n. 备
听到老外跟你说break a leg,千万别生气!break a leg字面意思像是在诅咒别人“摔断腿”,但实际上指的却是“祝你好运”,特别是祝人演出好运。used to wish somebody good luck, especially to an actor before they go on stage这个奇奇怪怪的祝福语是怎
blow out 爆The tire blew out just before we would hit the road.就当我们要上路的时候,轮胎爆了。tire n. 轮胎blowout n. 爆胎/爆炸A blowout is extremely dangerous. Make sure you check your tires