Underwater visibility, sometimes greater than 30meters, and the white sand sea floor work together to paint the Okinawan waters a deep azure blue.是什么意思_Underwater visibility, sometimes greater than 30meters, and the white sand sea floor work together to paint the Okinawan waters a deep azure blue.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句