Revving
v. <口>（使）加速( rev的现在分词 ); （数量、活动等）激增; （使发动机）快速旋转; （使）活跃起来
🗣️ 情景例句
especially when he's a baby.
特别是当他还是个婴儿的时候。
That's really something.
真了不起。
Good, we'll be expecting him.
好，我们等着他。