1)COUNTABLE] money or goods that you give to an organization,especially one that helps people 【可数】 这个是捐赠物【包括钱,物】 2)[UNCOUNTABLE] the act of giving money or goods to an organization 【捐赠这个行为】不可数 【俊狼猎英】 欢迎追问
donation是一个集体名词,但可以用复数, 比如形容不同类别的 donations: The charitable organizations have received donations from all around the world. 但是: Your donation of cash, food and clothing is most welcome.