iron rule的音标是[ˈaɪən rʊl]。

iron rule的意思是“铁的规则，不可改变的规则；专制统治；严厉的规则”。

iron rule的用法示例如下：

1. The iron rule of the classroom is that students mustn't be late for class. （课堂上的铁律就是学生上课不能迟到。）

2. The boss has an iron rule about punctuality. （老板有一条关于守时的铁律。）

iron rule的双语翻译是“铁的规则”和“专制统治”，具体含义和用法需要根据语境而定。

iron rule的中文翻译是“铁的规则”、“铁律”、“不可改变的规定”、“不可动摇的规则”。

常见用法：The iron rule in our company is that employees must abide by the company's regulations without exception.（在我们公司，铁律是员工必须无条件地遵守公司的规定。）

Iron rule的释义主要指一种不可改变、必须遵守的规定或规则。在具体使用时，可以表示公司、机构等正式颁布的规章制度，也可以表示某种社会现象或文化传统等被认为是不可违背、不可违反的规律。

例如：The iron rule of supply and demand says that in a market economy, supply always equals demand.（供求规律这条铁律表示，在市场经济中，供给总是等于需求。）

此外，iron rule也可以用于比喻，表示某种无法改变、无法挑战的权威或力量。例如：He is a man with an iron rule of self-reliance and independence.（他是一个有着坚定自主和独立原则的人。）

以上信息仅供参考，如有需要，建议查阅相关文献。

iron rule的英语释义：

1. a rigid and inflexible rule

2. a fundamental principle that cannot be altered

iron rule的用法：

Iron rule 指不可改变的原则或规则，强调规则的不可更改性。

双语翻译举例：

The iron rule of supply and demand means that if something is in high demand, it will always sell for a higher price. (供求法则的铁律是，如果某物需求量大，它总是能卖出更高的价钱。)

常见短语：

1. The iron is hot and we can strike iron. 铁是热的，我们可打铁。

2. The iron rule of the market economy is that supply and demand determines the price of goods. 市场经济的一条铁律是：供求决定商品的价格。

3. The iron rule of the law is that no one can be above the law. 法律的一条铁律是：任何人都不得凌驾于法律之上。

4. The iron rule of the classroom is that students must follow the teacher's instructions. 教室里的一个铁律就是学生必须服从老师的指示。

5. The iron rule of the workplace is that you must be able to work well with others. 工作场所的一条铁律就是必须能够和他人良好合作。

6. The iron rule of time is that it cannot be saved or wasted. 时间是一条铁律，它不能被储存或浪费。

7. The iron rule of money is that it can buy anything, but it cannot buy happiness. 金钱是一条铁律，它能够买到任何东西，但却买不到幸福。

8. The iron rule of business is that you must always be looking for new opportunities to grow your business. 商业的一条铁律就是必须不断寻找新的机会来扩大自己的业务。

9. The iron rule of success is that you must be willing to work hard and persevere through setbacks and failures. 成功的铁律就是必须愿意努力工作，坚持不懈地克服挫折和失败。

10. The iron rule of technology is that it never stands still, and we must always keep up with the latest developments in technology to stay competitive. 技术的铁律是它永远不会停滞不前，我们必须不断跟上技术发展的最新动态才能保持竞争力。