v.使喷出( puff的现在分词 );喷着汽(或烟)移动;吹嘘;吹捧;
例句:
He was puffing hard when he jumped on to the bus.
他跳上公共汽车时喘息不已.
They were puffing after climbing the hill.
他们爬山后正喘着气.
The train came puffing into the station.
火车喷着烟驶入车站.