Biosystematy
生物分类学, 生物系统学
🗣️ 情景例句
There was no way he could solve the problem.
他根本解决不了这个问题。
You are stronger than I am.
你比我强壮。
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？