黄石公园显然属于第二种类型，但是克里斯蒂安森就是找不到这个火山口。

Yellowstone obviously was of this second type, but Christiansen couldn't find the caldera anywhere.

youdao

黄石公园显然属于第二种类型，但是克里斯蒂安森就是找不到这个火山口。

Yellowstone obviously was of this second type, but Christiansen couldn't find the caldera anywhere.

youdao