Chalking
[机] 粉化
🗣️ 情景例句
It was so kind of them.
他们太客气了。
I have thrown this party.
我之所以举办这次晚会。
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，