surd
n (mathematics 数) mathematical quantity, esp a root, that cannot be expressed as an ordinary number or quantity 不尽根
The square root of 5 (5) is a surd. 5 的平方根(5)是不尽根.
🗣️ 情景例句
You remember?
你还记得吗?
It's quite cold today.
今天天气相当冷。
and whom I respect, confess at once that they have little idea where they are going when they first set pen to paper.