老师我懂了用英文怎么说

如果你想表示你已经理解了某些内容，你可以说"I understand"，意思是"我理解了"。这是一个常用的英语表达，来自英语词汇"understand"，意思是理解、明白。

下面是一些使用"I understand"的例句：

Teacher: Can you explain the difference between a verb and a noun?
Student: Yes, a verb is a word that describes an action or state of being, while a noun is a word that refers to a person, place, thing, or idea.
Teacher: Excellent. I understand now.
（老师：你能解释动词和名词的区别吗？
学生：是的，动词是描述动作或状态的词，而名词是指人、地方、事物或想法的词。
老师：很好。我现在理解了。）

A: Can you help me with this math problem?
B: Sure. What's the question?
A: How do I find the area of a triangle?
B: To find the area of a triangle, you need to multiply the base by the height and then divide by 2.
A: Oh, I understand now. Thank you.
（A：你能帮我解决这道数学题吗？
B：当然可以。问题是什么？
A：我怎么求三角形的面积？
B：要求三角形的面积，你需要将底乘以高再除以 2。
A：哦，我现在理解了。谢谢。）

希望这些例句对你有帮助。