at bottom

at bottom的音标是["æ bt buk]，基本翻译为“到底，终究；基础，根本”，速记技巧为“at把b当b”。

at bottom的英文词源是拉丁语，意为“在底部”。其变化形式有：

1. at bottom：在底部，到底

2. bottom up：向上，自上而下

相关单词：

1. bottom shelf：底部货架

2. bottom line：底线，主要收入或支出

3. bottom out：到达最低点，完全用尽

4. bottom up approach：自下而上的方法

5. bottom-up development：自下而上的发展

6. bottom-up strategy：自下而上的战略

7. bottom-up approach to management：自下而上的管理方法

8. bottom-up forecasting：自下而上的预测

9. bottom-up organization：自下而上的组织

10. bottom-up decision making：自下而上的决策制定

这些单词都与at bottom的词源有关，表示从底部开始或自下而上的发展方式。这些单词在英语中广泛使用，并涉及到商业、管理、预测等多个领域。

常用短语：

1. at the bottom of one"s heart 深藏在心底

2. at the bottom 在底部

3. hit bottom 达到最低点

4. get to the bottom of sth 查明某事

5. bottom out 彻底失败

6. bottom up 自下而上

7. sink to the bottom 沉到底部

例句：

1. She kept her feelings at the bottom of her heart and never revealed them to anyone.

2. The plane hit bottom in the valley and skidded to a stop.

3. We must get to the bottom of this mystery.

4. He sank to the bottom of the lake and drowned.

5. The new technology is driving old industries to the bottom.

6. The new ideas are pushing ideas from the bottom of our minds to the top.

7. The river flowed from the mountains to the bottom of the valley.

英文小作文：

Title: The Journey of Life

Life is a journey that takes us from one moment to the next, with each step leading us to new experiences and opportunities. Just like a river flowing from the mountains to the bottom of the valley, we travel through different stages and experiences, learning and growing with each passing moment.

Sometimes, we hit a low point in our journey, feeling lost and defeated, but it"s only temporary. With time and effort, we can reach the bottom and emerge stronger and more resilient. The journey of life is full of ups and downs, but it"s also filled with beauty and joy that awaits us at every turn.

Throughout our lives, we encounter challenges and obstacles that test our resilience and determination. But it"s these moments that make us stronger and more determined to pursue our goals and dreams. The journey of life is not about where we end up, but about the journey itself, filled with moments of joy, happiness, and growth. So, embrace every moment of your life journey, no matter what comes your way, and remember to keep moving forward with courage and determination.