lettuce

lettuce
/ˈletɪs; `lɛtɪs/ n
1 [C] garden plant with crisp green leaves 莴苣; 生菜.
2 [U] its leaves used as food (esp in salads) 生菜叶
    [attrib 作定语]
a lettuce and tomato salad 生菜蕃茄色拉. =>illus at salad 见 salad 插图.

牛津英汉双解词典