extinct volcano

基本解释

Halla-san, an extinct volcano that forms Jeju Island, is the country"s highest point at 1,950m (6,398 ft).
Halla san是济州岛（Jeju Island）上的一个绝种火山形成的，它是这个国家的最高峰，高度为1,950m (6，398 英尺) 。
Clouds encircle the lofty rim of Africa's Mount Elgon, a huge, long-extinct volcano on the border between Uganda and Kenya.
图中巍峨的山峰被云朵环绕着，那是在非洲位于乌干达与肯尼亚边界的埃尔冈山，是一座巨大的死火山。
Carina Hall: "This picture was taken atop an extinct volcano, eye-level with clouds, with people bizarrely hovering and swooping past.
Carina Hall: "我在一座死火山山顶上拍摄这张照片，当时云层就在眼前，人们乘着滑翔伞呼呼地飞来飞去。

Saridal was established 45 years ago by semi-nomadic tribesmen on the edge of Karacadag, an extinct volcano east of Diyarbakir.
ECONOMIST: Why a strong tradition persists in defiance of the law
That's where Denbury owns the Jackson Dome, an extinct volcano that contains the biggest source of naturally occurring carbon dioxide on the Gulf Coast.
FORBES: Energy