Again it seemed as though there was no driver present, but we could hear the dull roar of an engine left running.

跟上次一样，里面似乎没有司机，但是发动机仍在沉闷地轰响着。

youdao

Again it seemed as though there was no driver present, but we could hear the dull roar of an engine left running.

跟上次一样，里面似乎没有司机，但是发动机仍在沉闷地轰响着。

youdao