亚利桑那陨石坑

meteor crater───陨石坑

meteor craters───陨石坑

Deepwater Horizon───深水地平线

Craters form in some cases, such as Meteor Crater in Arizona, but in many cases, including Siberia, impactors explode far above the ground.───撞击坑来源多样，比如亚利桑那州的陨石坑，但西伯利亚的爆炸发生在地面上空，摧毁了爆炸中心数千公里的树木。

Meteor Crater, Arizona: the second most impressive hole in Arizona was formed by a fiery meteor that screamed into the atmosphere about 50, 000 years ago, when giant sloths lived in these parts.───亚利桑那州陨石坑：亚利桑那州第二大印象深刻的洞是由于流星形成的，5万年以前流星呼啸而来到这个地区，当时高大的树懒住在那里。