Germ theory
[医] 病菌学说
🧩 词语组成解析
🗣️ 情景例句
Robbie, we'll go fishing soon, Robbie
啊， 我们很快就会去。
A friend is never known till a man have need.
不到患难时，永远不能认识真正的朋友。
We hope that the next negotiation will be the last one before signing the contract.
我们希望下一交谈判将是签订合同前的最后一轮谈判。