烤牛肉三文治的英文：
roast beef sandwich

roast是什么意思：
v. 烤，炙，烘
n. 烤肉；烘烤
adj. 烘烤的

Joint of meat that has been roasted or is meant for roasting
烤过的或适于烤食的大块肉

They roasted his new novel.
他们狠狠挖苦他的新小说。

The menu included roast grouse.
菜单上有烤松鸡。

beef是什么意思：
n. 牛肉；菜牛；体力
v. 长膘，加强，充实；抱怨，发牢骚

beef with barbecue sauce ; sha cha beef
沙茶牛肉

Kobe Beef is considered the most exclusive beef in the world.
神户牛肉被认为是世界上最高级的牛肉。

Corn the beef for twelve hours.
把牛肉腌十二小时。

sandwich是什么意思：
n. 三明治；
v. 把…夹在中间，结合，粘合

I made a chicken sandwich.
我做了个鸡肉三明治。

Grab me some sandwiches.
给我拿些三明治来。

Luke munched the chicken sandwiches.
卢克津津有味地吃着鸡肉三明治。