hypolimnion的音標為[?ha?p??l?m??n]，基本翻譯為“下層湖”；速記技巧為：hypo（下）+limn（湖）+ion→下層湖。

Hypolimnion 是指水體下層的混合層，通常在溶解氧含量較低的水域中出現。這個詞來源于希臘語 "hypo-"（在...之下）和 "limnion"（界限）。

變化形式：無特別變化。

相關單詞：

- hypolimnion 和 euphotic zone（光合有效區）一起使用時，可以描述水體下層的缺氧區域，這對許多生物來說是不適宜生存的區域。

- limnology（水生生物學）是一個學科，研究各種水生生物及其環境，包括Hypolimnion。

- limn（水體）是一個與水體相關的術語，可以與 hypolimnion 一起使用。

- limpid（清澈的）和 turbid（混濁的）是描述水體的形容詞，可以與 hypolimnion 一起使用來描述水體的狀態。

- limnograph（水體圖）是一種圖表，用于記錄和分析水體的各種參數，包括Hypolimnion 的溫度和溶解氧含量。

- limnic（與水有關的）是一個形容詞，可以與 limnology 一起使用，描述與水相關的研究領域。

- limnophile（嗜水生物）是指喜歡生活在水中或水生環境的生物，可以與 Hypolimnion 一起使用。

- limnometry（水體測量）是一種測量水體的方法，可以用于研究Hypolimnion 的變化。

- limnophobia（對水的恐懼）是一種心理現象，可以與Hypolimnion一起使用來描述對水的恐懼或不適感。

hypolimnion的常用短語：

1. in the hypolimnion of a lake - 在湖泊的混合層之下。

2. the hypolimnion is oxygen-poor - 混合層之下缺氧。

3. the hypolimnion is dark in color - 混合層之下顏色較暗。

4. the hypolimnion is cooler than the euphotic zone - 混合層之下比透光帶更冷。

5. the hypolimnion is oxygen-depleted - 混合層之下氧氣含量低。

6. the hypolimnion is oxygen-poor and anaerobic bacteria thrive - 混合層之下缺氧，厭氧細菌繁衍。

7. the hypolimnion is oxygen-depleted and nutrient-rich - 混合層之下氧氣含量低，營養物質豐富。

雙語例句：

1. The lake"s hypolimnion is a dark, cold and oxygen-poor zone. 湖泊的混合層之下是一個黑暗、寒冷且缺氧的區域。

2. The euphotic zone and hypolimnion of the lake are two very different environments.湖泊的透光帶和混合層是兩個非常不同的環境。

3. The temperature difference between the euphotic zone and hypolimnion is a key factor in maintaining oxygen levels in the water column. 透光帶和混合層之間的溫度差異是維持水柱中氧氣水平的關鍵因素。

英文小作文：

The hypolimnion is a mysterious zone in lakes, where oxygen levels are low and bacteria thrive. I have always been fascinated by this zone, as it represents a unique environment where life can survive in difficult conditions. The hypolimnion is a dark and cold zone, which makes it difficult for most organisms to survive there. However, some bacteria and microorganisms are able to adapt to this environment and thrive in the oxygen-poor conditions. This zone is also rich in nutrients, which provide an additional source of food for these organisms. Despite its harsh environment, the hypolimnion plays an important role in maintaining the balance of the lake ecosystem. It acts as a storage reservoir for organic matter and nutrients, which are recycled and used by other organisms in the lake. Understanding the dynamics of the hypolimnion is crucial for managing and conserving lakes and their surrounding environments.