The western end of the Southern Okinawa Trough has curvelinear bathymetric contours at the maximum depth of about 2,000m.是什么意思_The western end of the Southern Okinawa Trough has curvelinear bathymetric contours at the maximum depth of about 2,000m.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句