Dense smoke swirled and billowed, its rank fumes choking her.滚滚浓烟盘旋翻腾，恶臭味呛得她喘不过气来。The accumulation of unswallowed saliva in the pharynx causes the sensation of choking.不能咽下的唾液积聚在咽部引起窒息感.Food breathed into the windpipe ca...
a kilometre and a half of bitumen一公里半的柏油路面My home is half a kilometre away from here.我家离这儿有半公里.Now China ranks the antecedency in the world in the using efficiency and amount per kilometre.目前中国铁路使用效率及平均每公里货运量,均位居世界前列.Mor...