Even symmetry
[计] 偶对称
🧩 词语组成解析
even
['i:vən]
adv. 甚至;更加; 即使;恰巧在…时候;
adj. 公平的;平坦的; 偶数的;平均的;
vt. 使平坦;使相等;
vi. 变平;成为相等;
🗣️ 情景例句
You didn't ruin my day, Dad.
你没有扫我的兴， 爸爸。
I suppose so.
我想是这样。
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，