然后他抽了抽鼻子，发觉有一股烧焦的味道。Then he sniffed. There was a smell of burning.被烧焦的轿车残骸the charred remains of a burnt-out car我母亲闻到什么东西烧焦的味道.My mother can smell burning....
All our aircraft have certificates of airworthiness.我们所有的飞机都有适航证书。Make sure you enclose all the relevant certificates.要保证把所有相关证书都放在里面。There are only two internationally recognised certificates in Teaching English as a Fo...