Spherical triangle
n. 球面三角形
🧩 词语组成解析
🗣️ 情景例句
Yes, but the number's no longer in service.
打过，但那个号码是空号。
What is learnt in the cradle lasts (or is carried) to the grave.
小时学会的事情到老不会忘记。
What's wrong?
怎么了？