n.备用；待命者
adj.备用的；应急的
Powdered milk is a good standby in an emergency. 奶粉是应急时很好的备用品。
The emergency services were put on standby after a bomb warning. 接到炸弹警报后，各紧急救助部门进入待命状态。
A special team of police were kept on standby during the time of violence. 在发生暴乱期间，经常有一支警察特别小分队处于整装待命状态。
用作形容词 (adj.)They bought two cheap standby tickets for Rome. 他们买了两张便宜的去罗马的备用机票。
Your reservation is already in the standby list. 您的订位已经在候补名单了里。
