鹿角皂
buckles down───倾全力；开始认真从事
buckles up───系好安全带；把…扣紧
bucket seat───n.斗式座椅；凹背摺椅
bucket shop───投机商号；低价位的旅行社
buckets down───把水桶放下
buckets out───v.用桶清空
buckle down───倾全力；开始认真从事
