Implemented
v. 执行；实施（implement的过去分词形式）
🗣️ 情景例句
Is that too many?
是不是太多了？
Behave!
安分点！
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，