自我介绍的英文是 "self-introduction"。它来源于英语单词 "self" 和 "introduction" 的组合。"Self" 指的是个人或自己，"introduction" 指的是介绍或引言。

英文例句：

"Can you give a self-introduction before we begin the meeting?" (你能在会议开始前简单自我介绍吗？)
"I'd pke to start by giving a self-introduction. My name is John and I'm an engineer." (我想先简单自我介绍一下。我叫约翰，是一名工程师。)
"During the interview, the candidate was asked to give a self-introduction." (在面试中，面试者被要求进行自我介绍。)