Careful mineral and structural analyses have revealed the characteristics of volcanic ash in the 9 horizons of a 80.2m ice core from Collins Ice Cap,King George Island,Antarctica.是什么意思_Careful mineral and structural analyses have revealed the characteristics of volcanic ash in the 9 horizons of a 80.2m ice core from Collins Ice Cap,King George Island,Antarctica.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句