n.捐贈人；施主；供者

The donor's identity is a close secret. 捐贈人的身分是一個嚴加保守的秘密。

The donor prefers to remain anonymous. 捐贈者希望不披露姓名。

It was also counting on getting food aid from South Korea, its biggest donor. 朝鮮當局當時還指望從其最大施主韓國獲得糧食援助。

The donor's blood is compatible with the recipient's. 供血者的血和受血者的血是相容的。