He had taken samples of the 61-million-year-old Suiko seamount of the Emperor chain and found that it had formed at 27 degrees north.是什么意思_He had taken samples of the 61-million-year-old Suiko seamount of the Emperor chain and found that it had formed at 27 degrees north.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句