coastal estuaries 沿海河口
river estuaries 河流入海口
estuary ecosystem 河口生态系统
protect estuaries 保护河口
estuary pollution 河口污染
1. Estuaries provide important habitats for many plants and animals.
河口为许多植物和动物提供重要的栖息地。
2. Scientists study estuaries to understand changes in coastal environments.
科学家研究河口以了解沿海环境的变化。
3. Many estuaries are protected because of their ecological value.
许多河口因其生态价值而受到保护。
A: Why are estuaries important to nature?
A：为什么河口对自然很重要？
B: Estuaries support many species and help maintain coastal ecosystems.
B：河口支持许多物种，并帮助维持沿海生态系统。
1) 河流与海洋交汇的水域
2) 淡水和海水混合形成的生态环境
3) 具有丰富生物多样性的沿海区域
1. 河流流入海洋时形成的宽阔水域，通常受到潮汐影响。
e.g. Many fish species live in estuaries.
许多鱼类生活在河口区域。
2. estuary 的复数形式，表示多个河口。
e.g. The country has several large estuaries along its coast.
这个国家沿海有几个大型河口。
noun
1. Areas where rivers meet the sea, where fresh water mixes with salt water.
Synonym: river mouth, inlet