roof/ruːf/

n. the top part of a building or vehicle, that covers it

n. [C] 屋顶；顶部；车顶：[roof of sth] The roof of our house was damaged in the storm. 我们的房顶在暴风雨中被损毁了。

巧记 以f结尾的名词的复数形式一般改f为ves，但以下词除外：有信仰(beliefs)的酋长(chiefs)站在屋顶(roofs)上。