Key Areas: Huai River, Hai River, Liao River, Tai Lake, Chao Lake, Dianchi Lake, Bo Sea, SO2 and acid rain control regions, Beijing Municipality.是什么意思_Key Areas: Huai River, Hai River, Liao River, Tai Lake, Chao Lake, Dianchi Lake, Bo Sea, SO2 and acid rain control regions, Beijing Municipality.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句