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
I was wondering if you could help me. I'd like to know.
不知道你能否帮助我，我想知道。
All time is no time when it is past.
光阴一去不复返。
In the back row.
教室后排。