Pons asinorum
“笨人难过的桥”（指欧几里得<几何学>中命题“等腰三角形两底角相等”）； 初学者难解的问题
🧩 词语组成解析
n. 脑桥\\n[医] 桥, 脑桥
🗣️ 情景例句
If you go camping, at night you'll hear all the nocturnal animals.
如果你去野营，晚上可以听到动物的夜歌。
As a man lives,so shall he die.
有生必有死。
The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening.
事实上搜寻工作很困难，因为常常是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发现它的踪迹。