罗马大军入侵时,阿基米德的家遭士兵破门而入,他还在醉心研究圆形,后来他被士兵杀害。及后,杀阿基米德的士兵也被处决。
The essence of mathematics lies in its freedom.
Innovation in forestry isn't optional; it's essential for survival.
所以,对于”染不能不谨慎啊!