Normal flora
[医] 正常菌丛
🧩 词语组成解析
🗣️ 情景例句
Where's the ticket counter?
售票处在哪儿？
That's a tough question to answer.
那是一个很难回答的问题。
Boiling is always a good way of treating water.
烧开一直是水处理的一种好办法。