【常见食物系列一】1. whole wheat bread 全麦面包; 2. skimmed/skim milk 脱脂牛奶;3. fresh fish 鲜鱼；4. organic vegetable 有机蔬菜；5. doughnut /ˈdəʊnʌt, -nət/ 甜甜圈；6. go green 变环保；例如：We need to go green. It's better for our environment.