noun🔗Share萝蔓生菜,长叶莴苣。 Lactuca sativa var. longifolia, a type of lettuce having long crisp leaves forming a slender head."I used romaine lettuce to make a Caesar salad for dinner. "我用萝蔓生菜做了凯撒沙拉当晚餐。foodvegetableplantChat with AIVocabulary GamePractice Reading