Theorematical
a. theorem的变形
🗣️ 情景例句
Hello, this is ... What can I do for you?
喂， 我是……我能为你做点什么吗？
Don't forget to write your return address on the letter.
不要忘记在信封上写你的回邮地址。
Great. Would you please let me know when you have a race?
太好了。请告诉我你们什么时候比赛，好吗？