adj.疏松的;
v.使喷出( puff的过去式和过去分词 );喷着汽(或烟)移动;吹嘘;吹捧;
例句:
They puffed him to skies.
他们把他吹上了天.
Do you get puffed out running up and down the stairs?
你要是在楼梯上跑上跑下的会不会喘不过气来?
The engine puffed slowly away.
火车噗噗喷气,徐徐驶去.