求翻译：可能的保护因素：酸奶，蔬菜中的花菜、卷心菜、大蒜、洋葱、山药、红薯、胡萝卜和萝卜，肉类中的鸭肉、鸽子，水产品中的河鱼、贝壳类等，烹调方式中的微波烹调和生食。是什么意思？

Possible protective factors: yogurt, vegetables, cauliflower, cabbage, garlic, onions, yams, sweet potatoes, carrots and turnips, meat, duck, pigeon, aquatic products in the river fish, shellfish, microwave cooking methods cooking and raw food.

Possible protection factor: Yogurt, in vegetables cauliflower, cabbage, garlic, onion, Chinese yam, sweet potato, carrot and radish, in meats duck meat, pigeon, in aquatic product river fish, shell class and so on, in cooking way microwave cooking and raw food.

Possible protective factors: yogurt, vegetables, cauliflower, cabbage, garlic, onions, yams, sweet potatoes, carrots and radishes, meat of duck, Dove, aquatic products, such as fish, shellfish, microwave cooked and raw food cooking styles.