meteor crater短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 陨石坑 Meteor Crater, Arizona: The second most impressive hole in Arizona was formed by a fiery meteor that screamed into the atmosphere about50,000 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。 kekenet