学习笔记：
★broccoli：西兰花
例句：And broccoli and cabbage were singled out as the most protective foods. 吃菜花和圆白菜效果最好。
★cabbage：卷心菜，甘蓝菜
例句：Do you like cabbage? 你喜欢吃甘蓝菜吗？
★cauliflower：花椰菜，花菜
例句：A plant cultivated for an edible part, such as the root of the beet, the leaf of spinach, or the flower buds of broccoli or cauliflower. 蔬菜因其可食部分而种植的植物,如甜菜根、菠菜叶或者椰菜、花椰菜的花蕾等。
★sweet potato：白薯
★brussels sprouts：芽甘蓝
