这使得渤海湾5500平方公里的海面遭受严重污染的翻译：This makes the 5,500 square kilometres of the sea of Bohai Bay grave pollution 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

This makes 5500 square kilometers of Bohai sea is heavily polluted

This makes the 5,500 square kilometres of the sea of Bohai Bay grave pollution

This causes the Persian Gulf 5500 square kilometers sea levels to suffer the serious pollution

This makes the Bohai Gulf 5500 square kilometers have been severely polluted waters

This makes the 5,500 square kilometres of the sea of Bohai Bay grave pollution