“What does it mean?” 是英语中最常见的疑问句之一，用于询问某事、某词、某句话或某种行为的含义或意图。
该句为一般现在时的特殊疑问句，结构如下：
What + 助动词 (does) + 主语 (it) + 动词原形 (mean)?
– “This word is unfamiliar. What does it mean?”
– “He smiled strangely. What does it mean?”
– “What does ‘serendipity’ mean?”