noun 下载 🔗分享 萝蔓生菜,长叶莴苣。 Lactuca sativa var. longifolia, a type of lettuce having long crisp leaves forming a slender head. Examples : "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。 food vegetable plant 与AI对话词汇游戏阅读练习