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
Mike likes to write by the nice bright light at night.
迈克喜欢晚上在柔和明亮的灯光下写作。
Bad news has wings.
坏事传千里。
He's a very nice person.We'll all miss him.
他是个非常好的人，我们大学都会想念他的。