Jelly is a sweet food that is made by cooking fruit or fruit juice with a large amount of sugar until it is thickened. It is usually spread on bread. 果酱
verb [vt. 及物动词]把(食物)做成胶冻(或果冻),把(食物)包上胶冻(或果冻)
But if you heat it, it turns to jelly. 但如果你加热它,它就转化为果冻一样的胶状物。