1. 献血者;器官捐献者
A donor is someone who gives a part of their body or some of their blood to be used by doctors to help a person who is ill.

2. (器官等）捐献的
Donor organs or parts are organs or parts of the body which people allow doctors to use to help people who are ill.

3. 捐赠者;捐赠机构
A donor is a person or organization who gives something, especially money, to a charity, organization, or country that needs it.

1. person who makes a gift of property

Synonym: giverpresenterbestowerconferrer

2. (medicine) someone who gives blood or tissue or an organ to be used in another person (the host)