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stand.by5stAnd7baIn [C]pl standbys something which is always ready for use, esp. if a regular one fails备用设备，备用品Board games are a good standby to keep the children amused if the weather is bad.在天气不好时，棋类游戏是使孩子快乐的好的备用方法。There are standby generators but these usually only have to work for a few hours a year during power cuts.有备用发电机，但一年中通常只在断电时使用几个小时。When a person or a thing is on standby they are ready to be used if necessary.待命，随时准备Hospitals are on standby ready to deal with casualties being flown in from the crash site.医院随时准备处理从坠毁地点空运的伤亡人员。A standby (ticket) for a flight or a theatre is a cheap ticket sold just before the flight or the performance if there is a seat available.余票I'm sorry, there are no standbys left.很抱歉，没有余票了。 [STAND 中的 stand by]
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