行为用英语怎么说

行为用英语可以翻译成 "behavior"。这个词来源于拉丁文 "habitāre"，意思是 "to live"，后来发展成了 "to act"。例如：
The teacher noticed that the student's behavior had improved a lot recently.
The dog's behavior was quite strange; it kept barking at nothing.
The experiment showed that rewards can improve a person's behavior.
希望这些例句对你有帮助。