扎龙是位于中国东北部的世界最重要地湿地之一。
Zhalong is one of the world's most important wetlands in North-East China.
渤海为位于中国东北部，许多中国重要的海港建在那里。
Bohai Gulf lies in the Northeast China. Some of the most important ports in China were built there.
这片174 平方公里的土地位于中国东北部边境，在黑龙江附近；俄罗斯称黑龙江为「阿穆尔河」。
The 174 square kilometers of territory are on China's northeastern border near the Heilongjiang or Amur River.
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