-
The truck came to rest against a tree, its engine racing.
卡车靠着一棵树停了下来，引擎空转着。
《牛津词典》
-
The driver waited for the green light, his engine racing.
那司机等候绿灯放行，让发动机空转著。
youdao
-
The driver waited for the green light, his engine racing.
那司机等候绿灯放行，让发动机空转著。
youdao