Micropopulation
微生物群
🗣️ 情景例句
This has been a great learning experience for us, Marilyn.
这对我们是一次很好的学习经验， Marilyn。
Let me look. What do you need?
我来看看。你需要什么样的零钱？
The salvage operation had been a complete failure.
打捞工作彻底失败了。