那100美元是我应急备用的钱。

That 100 dollars is my ace in the hole.

youdao

加快建立城市应急备用水源，逐步形成国家水资源战略储备体系。

Construction of urban emergency water source will be accelerated, so as to gradually form the national strategic reserve system of water resource.

youdao

以往经常用自备柴油发电机组、蓄电池、干电池和镍镉电池应急灯作为应急备用电源。

Traditionally, diesel oil-based generators, storage battery, dry battery and emergency lighting equipped Ni-Cd battery are always used as standby emergency power supply.

youdao