estuary

n. /ˈestʃueri/ C1

河口；入海口

The wide part of a river where it meets the sea.

仙境例句

The salmon left the dance early and swam home up the estuary, where the river meets the sea.

鲑鱼早早离开舞会，游进河口回家，那里是河流汇入大海的地方。