noun 下载 🔗分享 沙洲,沙坝 A ridge of sand caused by the action of waves along a shore. Examples : "Sentence: "Boats must be careful navigating the shallow water because of the many sandbars near the beach." " 因为海滩附近有许多沙洲,船只在浅水区航行时必须小心。 geography ocean environment nature geology 与AI对话词汇游戏阅读练习