standby

n.备用；待命者
adj.备用的；应急的
名词复数：standbys
standby详解释义
standby英英释义
n.(名词)
备用品
可信赖的人
备用物
备用船
【海】待命信号
替身
代替品
处于待命状态
候补座位
后备人员
备用物品
备用设备
救援船只
一等战备状态
准备发报
支持者
靠山
备用
adj.(形容词)
备用的
等退票的
最后时刻出售的
应急的
等待的
储备的
adv.(副词)
备用地
待命地
.
Noun
something that can be relied on when needed
an actor able to ｒｅｐｌａｃｅ a regular performer when required
Adjective
ready for emergency use;

"a standby generator"
"a standby crew"

standby例句
用作名词(n.)
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。
standby近义词
fallback
reserve
replacement
resource
stand-in
backup
substitute
spare
emergency
unreserved
last-minute
late
understudy