🧩 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;
Robert
[['rɔbət]]
[法] 警察
n. 沃波尔（姓氏）
🗣️ 情景例句
I have been a poor student of foreign languages.
外语就学得不好。
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
There is a TV show about AIDS on right now.
电视正在播放一个关于爱滋病的节目。