To sanitize an activity or a situation that is unpleasant or unacceptable means to describe it in a way that makes it seem more pleasant or more acceptable. 美化
verb [vt. 及物动词]vt. 使……无害;给……消毒;对……采取卫生措施
The three girls needed to sanitize all the donations and make sure all food packages were not broken. 这三个女孩需要对所有捐赠品进行消毒,并确保所有食品包装没有破损。