Biosystematist
生物系统学家
🗣️ 情景例句
How did the accident happen?
事故是怎么发生的？
Many great men have arisen from humble beginnings.
有许多伟人出身卑微。
I've been working so hard recently that I haven't had any time for collecting new stamps.
最近我的学习一直很紧张，没有时间收集新邮票。