Microcrith
[化] 氢原子重量\\n[医] 微克立司(一个氢原子重)
🗣️ 情景例句
I don't want a dead end job.
我不想做没有前途的工作。
He was so angry, he began to jump and down.
他愤怒得开始顿足。
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，