The engine started quickly,to my relief,but loudly,roaring to life and then idling at top volume.
问题描述：
The engine started quickly,to my relief,but loudly,roaring to life and then idling at top volume.
to my relief何意?
roaring to life
and then然后?
答
就是发动机很快点燃了 我松了口气
roaring to life 是指发动机运转启动滴声音很大
然后就那样轰轰地空转着