n.隆凸；山；阜
The biggest volcano is Olympus Mons. 最大的火山是奥林匹斯火山，
The unusual hole pictured above was found on the slopes of the giant Martian volcano Arsia Mons. 上面这张照片中那个不平常洞穴是在火星上巨大的阿尔西亚山火的侧翼上发现的。
On the outside, they are also covered with hair just as the mons Veneris. 其表面，像阴阜一样覆盖者阴毛。
