Planimeter
n. 测面器, 面积仪, 求积计\\n[医] 面积计
🗣️ 情景例句
Fish, fish, send me a fish.... I got one!
鱼 鱼 给我一条鱼 ……我钓到了！
Shall we start the meeting now?
我们现在开始开会好吗？
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，