demersal的音標(biāo)為：[d??m??rs(?)l] ，中文釋義為“底棲的”。

其速記技巧為：利用諧音記憶法，可將該詞諧音理解為“的摸死餓”，即“底層餓死”。

使用這種方法時(shí)要結(jié)合例句和情景，以便更好地理解和記憶。

Demersal這個(gè)詞的詞源可以追溯到拉丁語(yǔ)，意為“在淺水下的”。它的變化形式包括過(guò)去式（demersed）、過(guò)去分詞（demersed）和現(xiàn)在分詞（demersing）。

相關(guān)單詞：

demerger：分離，分解

demerit：缺點(diǎn)，過(guò)失

demerging：分拆，拆分

demerging stock：分拆上市的股票

demurge：擔(dān)保人，保證人

demurrage：滯期費(fèi)，延期費(fèi)

這些單詞都與“在淺水下”這一概念有關(guān)，可以用來(lái)描述海洋生物、海洋環(huán)境、海洋資源等相關(guān)的主題。例如，demerging指的是將一個(gè)公司或業(yè)務(wù)從母公司中分離出來(lái)，而demerit則可以用來(lái)描述某種行為或特點(diǎn)的缺點(diǎn)或不足之處。

常用短語(yǔ)：

1. demersal waters：海底水域

2. demersal fish：底棲魚(yú)類(lèi)

3. bottom-dwelling：底棲生活

4. scavenger：食腐動(dòng)物

5. marine life：海洋生物

6. marine environment：海洋環(huán)境

7. oceanography：海洋學(xué)

雙語(yǔ)例句：

1. The fish in demersal waters are vulnerable to predators. 海底水域的魚(yú)類(lèi)容易成為捕食者的獵物。

2. Marine life is essential to the health of the ocean ecosystem. 海洋生物對(duì)海洋生態(tài)系統(tǒng)的健康至關(guān)重要。

3. The demersal fish species in this area are mostly carnivorous. 這個(gè)地區(qū)的底棲魚(yú)類(lèi)大多數(shù)是食肉動(dòng)物。

4. The marine environment is facing increasing threats from pollution and overfishing. 海洋環(huán)境正面臨著污染和過(guò)度捕撈帶來(lái)的日益嚴(yán)重的威脅。

5. Marine scientists study oceanography to better understand the planet"s ecosystem. 海洋學(xué)家研究海洋學(xué)以更好地了解地球生態(tài)系統(tǒng)。

6. The ocean covers over 70% of the Earth"s surface, yet we know so little about its hidden depths. 海洋覆蓋了地球表面的70%以上，但我們對(duì)其深處的了解卻少之又少。

7. The scavengers in the ocean play an important role in recycling dead organisms and maintaining the balance of the ecosystem. 海洋中的食腐動(dòng)物在回收死亡生物體和維持生態(tài)系統(tǒng)平衡方面發(fā)揮著重要作用。

英文小作文：

Title: The Mysteries of the Deep Sea

Deep down in the ocean, beyond the surface layers where most of us spend our time, lies a mysterious world full of wonders and surprises. The deep sea is home to a diverse array of marine life, from giant squids to mysterious creatures that have yet to be identified by science. But what makes this environment so unique is its extreme environment, where temperatures can reach thousands of degrees and pressures are many times greater than on the surface. Despite these challenges, the deep sea is a thriving ecosystem that is essential to the health of the ocean overall. From its unique inhabitants to the way they interact with each other and with their environment, the deep sea holds many secrets that still need to be discovered and understood. I hope to explore this mysterious world further in my future research and studies, and to shed light on its many wonders for a wider audience.