It is the key job for all levels of government and maritime administration to prevent ship accidents, secure the safety of people lives and property, and protect from pollution of the Yangtse waters.是什么意思_It is the key job for all levels of government and maritime administration to prevent ship accidents, secure the safety of people lives and property, and protect from pollution of the Yangtse waters.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句