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
At home I like reading books and listening to music.
我喜欢在家里看书或听音乐。
The news turned out to be false.
那个消息后来证明是假的。
I would like to give you an example, but fortunately I cannot do so.
我愿为你举个例子，但幸亏我举不出。