🗣️ 情景例句
I know you want to get to it.
我知道你想要开始啦。
Yes, she's free then.
可以，她那时有空。
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，