whose一般指人,但有时也指物.在定语从句中作定语.
1)You're the only one whose advice he might listen to.
(whose在定语从句中作advice的定语）只有你的建议他可能会听.
2）I'd like a room whose window looks out over the sea.
(whose在定语从句中作window的定语）我想要一个窗户朝大海的房间.