adjective 下载 🔗分享 河流的,河的 Of, pertaining to, inhabiting, or produced by the action of a river or stream Examples : "The fertile soil in the valley is primarily fluvial, deposited over centuries by the flowing river. " 山谷里肥沃的土壤主要是河流带来的,是河水在过去几百年里冲积而成的。 geography geology environment nature 与AI对话词汇游戏阅读练习