Overuse of fertilizer and pesticides has in many areas stripped the soil of nutrients or made it too acidic, as well as contributing to river and lake pollution.
在许多地区，化肥与农药的过度使用已经造成土壤营养成分流失、过度酸化，而且污染了河流与湖水。
The Mississippi River system and the Great Lakes are connected only through the man-made Chicago Sanitary and Ship Canal, which leads from Lake Michigan to the Illinois River.
密西西比河流域与五大湖之间唯一的纽带是人工挖掘的芝加哥环境卫生和航行运河，它连接于密歇根湖与伊利诺斯河之间。
I like to go somewhere with water... the ocean, a river, a lake, even just a man-made fountain if nothing else is available.
我喜欢去有水的地方……大海边，河边，湖变边，如果没有这些甚至人造喷泉也行。
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