详细解释:n. 支流
词型变化：
名词复数:distributaries英语解释：
名词 distributary:
a branch of a river that flows away from the main stream and does not rejoin it详细解释：
dis.trib.u.tar.y
n.（名词）【复数】 dis.trib.u.tar.ies A branch of a river that flows away from the main stream.支流，分流：从主干河流岔流出的支流