But the zone is largely treeless, studded with house-size rocky chunks, called hummocks, that broke off the top of the mountain when it exploded.

然而这个区域还是基本上光秃秃的，布满了房子般大小的岩石块，形成一个个的小山岗，这些都是火山喷发的时候从山顶滚落下来的。

youdao

This house, consisting of two parts is gently perched side saddle to the mountain ridge, joining the main slope with a rocky knoll.

住宅包括两个部分，它们缓缓地跨越侧壁和山体脊梁，并连同附近的一个小山丘与主要的斜坡最终汇合。

youdao