standby
/ˈstænd.baɪ/
名词
(尤指为应对出现问题或故障时的)备用设备,备用品,替代物
Hospitals are on standby ready to deal with casualties from the crash.
医院随时准备着接纳撞车事故的伤者。
(航班起飞前或演出开始前廉价出售的)余票
About 850 standby tickets have been given to those hoping to take the place of no-shows.
大约有850张候补票发放给那些希望取代未出席者的人。