estuaries的音標是[??stju?riz]，基本翻譯是“河口，入?？凇保儆浖记墒牵篹.s.t.u.a.r.i.o.s。

Estuary這個詞源于拉丁語“estuare”，意思是“流動的”。它的變化形式主要有復數形式“estuaries”和過去式、過去分詞形式“estuaried”。

相關單詞：

海洋（Ocean）：海洋一詞源于古希臘語“oceanos”，意為“廣闊的海洋”。海洋是地球上最廣闊的水體，是estuary的對應。

河口（Estuary）：如前所述，河口是指河流流入海洋或湖泊的區域。

河岸（Estuary bank）：河岸是河流與海洋或湖泊交界處的岸邊。

河口三角洲（Estuary delta）：河口三角洲是河流三角洲的一部分，位于河流入?？诟浇?。

沙洲（Estuarine sandbar）：沙洲是河口地區常見的地貌特征，由泥沙堆積而成。

河口灣（Estuarine estuary）：河口灣是指河流在入?？谔幮纬傻臑碃钏颉?/p>

泥灘（Estuarine mudflat）：泥灘是指河口地區由泥沙沉積形成的灘地。

河口濕地（Estuarine wetland）：河口濕地是河口地區特有的生態系統，由水生植物和濕地植物組成。

河口生態（Estuarine ecology）：河口生態研究是生態學的一個重要領域，研究河口地區的生物多樣性、能量流動和物質循環等。

Estuary這個詞在英語中經常用來描述河流流入海洋或湖泊的區域，具有豐富的生物多樣性和獨特的地理特征。同時，它也是研究河口生態的重要領域。

常用短語：

1. estuary waters

2. navigate the estuary

3. tidal estuary

4. salt marshes of an estuary

5. estuary ecosystem

6. estuary fisheries

7. estuary sedimentation

雙語例句：

1. The boat navigated its way through the narrow channels of the tidal estuary.

2. The salt marshes of this estuary provide a habitat for many migratory birds.

3. The estuary ecosystem is under threat from pollution and human activity.

4. The fishermen of this region depend on the rich resources of the estuary fisheries.

5. Sedimentation in the estuary is causing problems for the local communities.

6. The beauty of the estuary is enhanced by the setting sun, casting long shadows on the water.

7. The estuary is a crucial habitat for many marine species, providing them with food and shelter.

英文小作文：

Title: The Mysteries of the Estuary

The estuary is a unique habitat that provides shelter and food for a variety of marine life. From small creatures to large predators, the estuary is home to many species that thrive in its complex ecosystem. The salt marshes, mudflats, and channels of the estuary offer a diverse range of habitats that support a rich tapestry of marine life.

The estuary is also a crucial link in the food chain, providing sustenance for marine mammals, birds, and fish. The tides play a significant role in the ecology of the estuary, bringing in freshwater and nutrients from the rivers, while also flushing out waste and sediment. The complex interactions between the various species and environmental factors maintain a delicate balance in the estuary"s ecosystem.

However, human activity has begun to threaten this delicate balance. Pollution, deforestation, and development have all contributed to the degradation of the estuary"s environment. It is our responsibility to protect this vital habitat and preserve it for future generations so that they may continue to enjoy the wonders of the estuary"s ecosystem.