sandwiches。三明治,英文为sandwich,由于这是可数名词且以ch结尾,复数形式为在ch后加es,即sandwiches。sandwichesn.夹层;三明治(sandwich的名词复数);夹心蛋糕;状似三明治的东西。v.插入(sandwich的第三人称单数);把…夹在…之间;挤在…中间;把…夹在面包片中。例句:1、She brought in a tray heavy with elegant sandwiches, scones and cakes. 她端进来一只盘子,里面盛满了精美的三明治、烤饼和蛋糕。2、Having not yet lunched, we went to the refreshment bar for ham sandwiches. 我们都没吃午饭,于是便去小吃店买了火腿三明治。扩展资料:英语名词变复数的规则:1、直接加-s. 如:tree-trees树,desk-desks桌。2、以s,x,ch,sh结尾的加es. 如:bus-buses,box-boxes,watch-watches。3、以辅音字母+y结尾的,改y为i再加es. 特例::boy-boys,monkey-monkeys,toy-toys,play-plays(剧本)4、以f或者fe结尾的词,改f为v,再加es. 如:knife-knives刀,leaf-leaves树叶。