🧩 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. 亚历山大（男子名）
n. (Korda)人名；(塞、匈、捷、罗)科尔达；(英)科达
🗣️ 情景例句
I'd like to set up a doctor's appointment as soon as possible.
我想尽快预约门诊。
That will be eighteen dollars and seventy-five cents.
那是18美元75分。
At that moment, everybody began to laugh and sing.
此时，大家已经笑了起来，同时唱起了歌。