He introduced us to the delights of natural food.

他使我们第一次享受到了品尝天然食品的乐趣。

Her diet consisted of natural food, uncontaminated by pesticides, salt or refined sugar.

她的膳食是由未受农药、盐或精制糖污染过的天然食品构成的。

Nisin is a natural food preservative produced by certain strains of Streptococcus lactis.

尼生素是由乳酸链球菌产生的一种天然食品防腐剂。

Milk is the natural food for babies.

牛奶是婴儿的天然食物。

Eating natural food is good for your body.

吃天然的食物对你的身体好。