绝对素食者是指只吃蔬菜水果，不吃肉类。科学的饮食应该以素食为主，同 时辅以一定的肉奶蛋等食物，做到时常调节食物种类，注意食品品质，不偏食，规律饮食等。
素食者全被轻视，对绝对素食者的最佳忠告则只能吃三文治。
Vegetarians are sneered at and vegans are best advised to take sandwiches.
严格的素食主义者不吃肉，绝对素食者禁食所有畜产品，这些人也有B12缺乏的危险。
Strict vegetarians, who avoid meat, and vegans, who avoid all animal products, are also at risk of B12 deficiency.
他们期待父母会完全支持他们的改变——可能是过去只吃汉堡的孩子变成了绝对素食者，也可能是女孩子剪光了头发。
They expect their parents to be totally supportive of their changes — maybe the kid who used to only eat burgers has gone vegan, or cut off all her hair.
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