# roof
##### 词义
- 英:/ruːf/; 美:/ruːf/
- #词性/n 屋顶;车顶;顶部;有…顶的;洞顶;口腔顶部;隧道顶
- #词性/vt 给…盖顶;盖上屋顶
##### 例句
- The limestone is sufficiently fissured for tree roots to have breached the roof of the cave
- 石灰岩上有许多缝隙,故而树根能从岩洞顶部长出来。
- The roof of the tunnel fell in .
- 隧道顶部塌了下来。
- The house needs attention but the roof is sound .
- 房子需要修葺,不过屋顶还完好无损。
##### 形态
- #形态/word_third roofs
- #形态/word_ing roofing
- #形态/word_done roofed
- #形态/word_pl roofs
- #形态/word_past roofed