bournen. 小溪、目的地、邊界學術名詞界線:測量學境界:測量學波恩:外國地名水流:海洋地質學小河:海洋地質學間歇河:海洋地質學乾谷:海洋地質學英文釋義an archaic term for a boundaryan archaic term for a goal or destination