Chertoff
[人名] 切尔托夫
🗣️ 情景例句
How good is your English?
你英语有多好？
I did work this afternoon.
我今天下午工作。
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，