open estuary

基本解释

Soon we had left the river estuary and were heading towards the open sea .
不久我们就离开了河口，驶向辽阔的大海。
Min River estuary is a typical open tidal estuary in the southeast coastal zone, China, Spartina alterniflora invaded rapidly over the past 3-4 years.
闽江河口是我国东南沿海典型的开放式感潮河口，近3～4年来，互花米草入侵迅速。
The Guanhe River estuary, which has an irregular geometry and bottom topography complicated by the entrance bar, is open to the South Huanghai Sea (Yellow Sea).
苏北灌河的入海口门处有沙咀，其岸形和底形都比较复杂。