Charting more areas would ensure the safety of cruise ships, sealift vessels and local traffic, said Savi Narayanan, director general of the hydrographic service.是什么意思_Charting more areas would ensure the safety of cruise ships, sealift vessels and local traffic, said Savi Narayanan, director general of the hydrographic service.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句