🧩 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. 爱德华（男子名）
n. 威廉（男子名）；[常作W-][美俚]钞票, 纸币
埃尔加(姓氏)
🗣️ 情景例句
How much do I owe you?
我应付你多少钱？
Do you remember the boy whose aunt is an actress.
你是否记得那男孩的姑妈是演员？
It must have been a gas that could burn but that would not explode, a gas that did not smell strong, and a gas that did not kill people.
它一定是一种能够燃烧而不能爆炸的气体，一种味道不很强的而且不使人致死的气体。