当检测到烟雾时,火灾警报立即响起。

The fire alarm sounded instantly when smoke was detected.

点击显示答案

The fire alarm sounded instantly when smoke was detected.

instantly 是副词,由形容词 instant(立即的)加上后缀 -ly 构成,表示"立即、马上"的意思。

在 App 中完整学习这张卡片

在 App 中学习