Protozoa
[医] 原生动物门
🗣️ 情景例句
Why do you plan to leave the present job?
你为什么打算离开现在的工作？
So many countries, so many customs.
一个国家有一个国家的风俗。
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。