Bai Yang Dian Wet Land is the biggest freshwater lake in North-China and its eco-environment deteriotes seriously and the lake is drying up.是什么意思_Bai Yang Dian Wet Land is the biggest freshwater lake in North-China and its eco-environment deteriotes seriously and the lake is drying up.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句