tributaryadj.纳贡的;从属的;辅助的;支流的n.支流;纳贡者;属国
tributary ditch支沟
tributary trunk分局中继线
tributary lanes支路
tributary modem从属调制解调器
tributary cause旁因
tributary river支流
tributary drain支流
tributary state朝贡国
tributary basin支流流域
tributary trade朝贡贸易