?? 詞語組成解析
sir
[s?]
n. 先生;(用于姓名前)爵士;(中小學生對男教師的稱呼)先生;老師;
n. 安東尼(人名)
n. 霍普金(姓氏)
??? 情景例句
This is Alexandra Pappas, and this is my grandson Robbie,
這是Alexandra Pappas ,這是我孫子Robbie
How do you do?
你好!
Plenty of sleep is healthful.
充足的睡眠有益于健康。