roof-linesBNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 车顶弧线原型roof-line的复数 The volcano collapsed higher roof-lines and buried Pompeii under many meters of ash and pumice, and it was lost for nearly1700 years before its accidental rediscovery in1748. 火山使得城内建筑坍塌,并将庞培城掩埋于数米深的灰烬和轻石之下。这座古城消失了近1700年,于1748年偶然间被再度发现。 blog.sina.com.cn