Roy and four other cars revved their engines at the starting line, and then they were off.

罗伊和其他四辆车在起跑线上发动了引擎，然后就出发了。

youdao

Roy and four other cars revved their engines at the starting line, and then they were off.

罗伊和其他四辆车在起跑线上发动了引擎，然后就出发了。

youdao