Polytype
多种类型的, 多型的
🗣️ 情景例句
Do you ever think about other people?
你从来就不考虑考虑别人吗？
I ought to talk to him.
我应该和他商讨。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，