柯林斯词典trencher /ˈtrɛntʃə/ 1. N (esp formerly) a wooden board on which food was served or cut (尤指旧时)木制食盘trencher /ˈtrɛntʃə/ N 1. N a person or thing that digs trenches 挖沟者; 挖沟物 返回 trencher剑桥词典Australian English a black hat with a square , flat top , worn on formal occasions by some teachers and students at college or university , and in the past by some school teachers （黑色的）方顶帽，学位帽 比较mortarboard in the past, a flat , wooden dish used to serve food （旧时盛食物用的）木盘 返回 trencher