standby

standby
(pl. standbys)
[mass noun]
  1. readiness for duty or immediate deployment
    随时待命
    buses were placed on standby for the journey to London.
    公共汽车随时准备出发去伦敦。
    ■[count noun]a person or thing ready to be deployed immediately, especially if needed as backup in an emergency
    应急人员(或物资)
    a generator was kept as a standby in case of power failure.
    为防供电中断把一台发电机用作应急设备。
    [as modifier]a standby rescue vessel.
    一艘应急救生船。
    ■an operational mode of an electrical appliance in which the power is switched on but the appliance is not actually functioning
    (电子产品的)待机模式
    ■[as modifier]denoting or relating to an economic or financial measure prepared for implementation in specified circumstances
    (经济,金融的)应急措施
    a standby credit facility.
    一项应急信用措施。
  2. the state of waiting to secure an unreserved place for a journey or performance, allocated on the basis of earliest availability
    (准备到确定地方旅行或演出的)待命状态
    passengers were obliged to go on standby.
    乘客被迫随时准备出发。
    ■[count noun]a person waiting to secure such a place
    随时待命者
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