Pettenkofer's theory
[医] 佩滕科弗氏学说(病菌通过地下水传播疾病)
🧩 词语组成解析
🗣️ 情景例句
He has a reputation for honesty.
他以诚实著称。
I'm sorry, but she won't have any openings until 11:00, unless there's a cancellation.
对不起，除非有预约取消，11点以前她没有空。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。