英文单词lettuce可数吗

　　Wash the lettuce and pat it dry.

　　把莴苣洗一下拍干。

　　Wash and dry the lettuce

　　将莴苣洗洗再晾干。

　　A green salad has only green vegetables, such as lettuce and cucumber.

　　所谓绿色沙拉指的是只有绿色的蔬菜，如莴苣和黄瓜等凉拌生菜。

　　Some food can grow well in pots, including lettuce, tomatoes, potatoes and carrots.

　　有些食物可以在盆里长得很好，比如生菜、西红柿、土豆和胡萝卜。