Level 5 · word 9,536 of 20,000

estuary

/ˈestʃuˌeri/ American
  • n. 河口
Definition
  • n. the wide part of a river where it flows into the sea
Example
The river widens into an estuary just before reaching the sea.
这条河在入海前逐渐变宽,形成一片河口。