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1.The U.N. Food and Agriculture Agency(FAO) says fighting, displacement and poor harvests prevent many people from receiving food.
prevent from 阻止，制止；妨碍
My only idea was to prevent the woman from speaking.
我唯一的想法就是不让那女人讲话。
You have to keep watching to prevent the milk from boiling over.
你要看住，不要让牛奶溢出来。
