Preemergency
[计] 备用, 备急, 辅助
🗣️ 情景例句
As a matter of fact,
事实上，
Nothing to be got without pains but poverty.
只有贫困可以不劳而获得。
There were no classes this afternoon. My classmates all went to People's Park.
今天下午没有课。同学们都到人民公园去了。