🧩 词语组成解析
sir
[sɝ]
n. 先生;（用于姓名前）爵士;（中小学生对男教师的称呼）先生;老师;
n. 莫蒂默（男子名）
n. 旋转物, 推车人, 车轮制造人, 辕马, 精明的政客
🗣️ 情景例句
He's a very famous person in Chinatown. He's also from your home city, Peking.
他在唐人街大名鼎鼎，他也是从你的家乡北京来的。
Don't you think you've eaten enough?
你不是吃的很多了吗？
The question was, which one?
问题是，哪一种气体导致火灾呢？