by accident

by accident的音标是["baɪ ədʒɪ"sent]。基本翻译是“偶然地，意外地”。速记技巧可以是：by（介词）+ accident（名词）= by accident（偶然）。

By accident这个词的词源可以追溯到拉丁语词组in accidens，意思是“偶然发生的事情”。这个词组由两部分组成，in表示“在……中”，accidens意为“发生的事情”。

变化形式：By accident可以变为byaccident或者accidentally，表示“偶然地”或者“意外地”。

相关单词：

1. accidental - 形容词，表示“偶然的”或“意外的”。例如：“He made a accidental discovery that changed the course of scientific research.”（他偶然发现了一个改变科学研究进程的事情。）

2. accident - 名词，表示“事故”或“意外事件”。例如：“A car accident occurred when a driver fell asleep at the wheel.”（一位驾驶员在开车时睡着了，发生了车祸。）

3. accidentally - 副词，表示“偶然地”或“意外地”。例如：“Accidentally, I found the lost keys while walking my dog.”（意外地，我在遛狗的时候找到了丢失的钥匙。）

4. accidently - 副词，与accidentally同义，表示“偶然地”或“意外地”。例如：“He accidently knocked over a vase while trying to open a door.”（他试图打开一扇门时，不慎打翻了花瓶。）

5. incident - 名词，与accident有相似的含义，表示“事件”或“事故”。例如：“A tragic incident occurred when a young woman was hit by a car while crossing the street.”（一位年轻女子过马路时被车撞了，发生了一起悲剧性的事件。）

6. occurrence - 名词，表示“发生的事情”或“出现的情况”。例如：“The occurrence of a natural disaster is unpredictable.”（自然灾害的发生是无法预测的。）

7. incidentally - 副词，表示“顺便提一下”或“附带说一下”。例如：“Incidentally, I have some news about my job.”（顺便说一下，我有些关于工作的消息。）

8. accidentality - 名词，表示“偶然性”或“意外性”。例如：“The accidentality of events determines their likelihood of occurrence.”（事件的偶然性决定了它们发生的可能性。）

9. accidentalism - 名词，表示“偶然论”或“意外论”。例如：“The accidentalism of science is a theory that explains events as the result of chance occurrences rather than predetermined outcomes.”（科学的偶然论是一种理论，它解释事件是偶然发生的结果而不是预定的结果。）

10. accident-prone - 形容词，表示“容易发生事故的”或“易出意外的”。例如：“This new technology is accident-prone and requires careful handling.”（这项新技术容易发生事故，需要小心处理。）

常用短语：by accident，无心之失；by chance，偶然；by mistake，错误地；by turns，轮流；inadvertently，无意中；unintentionally，无意地；accidentally，意外地。

例句：

1. I hit my toe by accident when I was stepping over a log.

2. We accidentally left our keys in the car.

3. She spoke by turns, addressing each of us in turn.

4. He inadvertently dropped the glass while trying to pick up a pen.

5. I unintentionally spilled the milk when I was rushing to work.

6. Accidents happen, but we can reduce the risk by being careful.

7. We accidentally found ourselves on the wrong train and had to change at the next stop.

英文小作文：

标题：Accident on the Road

One day, I was driving along a familiar road when suddenly, an unexpected obstacle appeared in front of me. It was a fallen tree branch from a recent storm, and it caused me to swerve sharply to avoid it. Fortunately, I managed to avoid hitting anything else, but it was a close call.

This experience taught me an important lesson about being careful on the road. Accidents can happen at any time, and it"s always best to be prepared for the unexpected. I also realized that it"s important to be aware of your surroundings and to be cautious when driving, especially on roads that are prone to sudden changes in conditions like this one.