footwall的音標為[?f?tb??l] ，基本翻譯為“底（巖）層”，速記技巧為：foot-wall，foot是腳，wall是墻，腳下的墻就是底（巖）層。

Footwall這個詞的詞源可以追溯到拉丁語“pedes”或“pedis”，意為“腳”。在英語中，footwall通常指的是礦脈或巖脈等地質結構與圍巖接觸時形成的傾斜巖壁。

變化形式：foot- / -foot / -poot。

相關單詞：

1. footprint：腳印，足跡，足跡大小

2. basement：地基，地下室，基礎

3. pedestal：基座，臺座，底座

4. pedagogy：教育學，教學法

5. pedometer：計步器，測步器

6. pedestrian：步行者，行人，通俗的

7. pedal：踏板，腳蹬，腳趾

8. pedantry：教條主義，學究氣，過分認真

9. pederasty：戀童癖，孌童之愛

10. pegged：釘住的，固定的，有釘子的

以上這些單詞都與footwall這個詞源有某種聯系，它們在詞義和用法上都有各自的特點。Footwall作為地質學的術語，主要與礦脈和巖壁有關，而其他單詞則更多地涉及到了人類行為、物體構造等方面。

常用短語：

1. footpath

2. footprint

3. footloose

4. footsie

5. footstep

6. footnote

7. footing

雙語例句：

1. Follow the footpath to the lake and you will find a beautiful view. (沿著小路走到湖邊，你會看到美麗的風景。)

2. The police followed his footprints to the crime scene. (警察追蹤他的腳印到了案發現場。)

3. She loves to wander around on foot, exploring new places. (她喜歡步行四處漫步，探索新地方。)

4. I can hear my footsteps echoing in the empty hallway. (我能聽到自己的腳步聲在空蕩蕩的大廳里回響。)

5. The footnote provided additional information about the author"s source. (腳注提供了關于作者來源的額外信息。)

6. We had to adjust our footing in the muddy riverbank. (我們不得不調整在泥濘河岸上的立足點。)

7. The couple"s relationship was on shaky footing, and they soon broke up. (這對夫婦的關系處于不穩定的狀態，不久就分手了。)

英文小作文：

Footwall: A Journey of Discovery

Footwall is a unique and fascinating place, where the ground is soft and uneven, and the air is filled with the sound of birds chirping and rustling leaves. It is a place where we can explore and discover new things, and it is a place where we can connect with nature and ourselves.

On my recent trip to the footwall, I found myself lost in the beauty of the scenery and the serenity of the environment. I could feel my feet sinking into the ground as I walked along the footpath, and I could hear the sound of my own breathing as I took in the fresh air. It was a moment of tranquility and peace that I will never forget.

The footwall is a magical place that offers us a chance to disconnect from our busy lives and connect with our inner selves. It is a place where we can explore our curiosity and wonder, and it is a place where we can find inspiration and motivation to pursue our dreams. I hope you will take the time to explore the footwall yourself, and discover its wonders for yourself.