我想在我的三明治里加生菜和番茄。
I'd like ___lettuce and tomato on my sandwich.
一份新鲜的绿色沙拉通常从一些脆嫩的生菜开始。
A fresh green salad usually starts with some crisp ___lettuce.
这种生菜的叶子非常柔软鲜嫩。
This type of ___lettuce has very soft, tender leaves.