🧩 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. 弗朗西斯（男子名, 义为自由之人）
drake
[[dreik]]
n. 公鸭, 蜉蝣类
🗣️ 情景例句
Blackjack.
二十一点！
I hope you will be able to do a good business with the Chinese as well as customers of other countries.
我希望你们能够和包括中国在内的各国客户做成交易。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。