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
In face, Australia is the only country that is also a continent.
事实上，澳大利亚是唯一作为洲的国家。
He who has a mind to beat his dog will easily find a stick.
有心打狗好找棍；欲加之罪，何患无辞。
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。