Fastown.法斯托fastadj.快的；迅速的；紧的；牢固的；放荡的adv.快速地；紧紧地；放荡地；深深地n.斋戒；禁食；系泊用具v.斋戒；禁食fast-selling item抢手货fast-grown poplar速生杨木fasting serum level空腹血清水平fastness to dryheat耐干热牢度fastness to stoving耐二氧化硫气体牢度fast to light paint耐光油漆fast bright red BBN耐晒大红BBNfast acting channel快速动作通道fast speed repeater高速转发器fastness to weather耐气候性