Electrographite
人工石墨
🗣️ 情景例句
I tried to teach my kids the importance of independence,
我总是告诫孩子们独立的重要。
My brother was discharged from hospital last week.
我兄弟是上周出院的。
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，