n.分水岭；集水区；转折点；流域adj.标志转折点的； 变形： 复数：watersheds 双语释义：n.(名词)[C] 分水岭；分水线 the high land separating two river systems[C] 转折点 the point of an important change from one state of affairs to another英英释义： watershed[ 'wɔ:təʃed, 'wɔ- ]n.a ridge of land that separates