noun 下载 🔗分享 溺谷,峡湾。 A submergent coastal landform, often known as a drowned river valley Examples : "Example Sentence: "Boating through the narrow, winding ria, we could see old farmland now flooded by the sea, a reminder that this used to be a river valley." " 划着船穿行于狭窄蜿蜒的溺谷中,我们看到曾经的农田已被海水淹没,这提醒我们这里曾经是一条河流山谷。 geography geology ocean nature 与AI对话词汇游戏阅读练习