"firmly based ice"
"a locally based business""an Atlanta-based company""carrier-based planes"
basen.底部;基地;基础;基数;基线;(棒球)垒;[化]碱vt.以 ... 作基础adj.卑鄙的;不道德的
basedRAMn.基本随机存取存储器
base hum基极交流声,基极哼声
base map工作草图,底图,基本地图
base jet底部喷流
base act卑鄙的行为
base fog乳剂灰雾
basetimen.基时
basenessn.卑鄙;下贱
base pad底垫
base wad底垫