pre-emergency的用法和樣例：
例句
- Mr.Tandja has responded by assuming sweeping emergency powers.
坦賈通過準備備用力量對此進行回應。 - The hospital has an emergency generator in case the electricity supply breaks down.
這家醫院有備用電機以防停電。
辭彙搭配
- pre-emergency governor 備急調速器
- pre emergency 備急的(輔助的)...
