keyword

keyword 也作 key word

n.（名词）
A word that serves as a key to a code or cipher.
关键词：密码或索引中重要的词
A significant or descriptive word.
重要词：重要词或说明性的词
A word used as a reference point for finding other words or information.
参考词：对于找到其他词或信息提供参考点的词