Metcolising
铸铁喷铝法
🗣️ 情景例句
You got that part right.
你们这一部份猜对了。
An ass endures his burden,but not more than his burden.
驴子能负重，过重也难负。
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，