水体由于外源污染的侵入形成了污染内源污染底泥。的翻译：Formation due to the intrusion of the outside sources of pollution of water body pollution sources in contaminated sediments. 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

Due to the intrusion of the outside source pollution, water source pollution within the contaminated sediment.

Formation due to the intrusion of the outside sources of pollution of water body pollution sources in contaminated sediments.

Because the water body the extraneous source pollution invasion has formed the pollution endogene pollution bottom putty.

Because of external sources of pollution water intrusion into the form of pollution sources of pollution within the mud.

Formation due to the intrusion of the outside sources of pollution of water body pollution sources in contaminated sediments.