Sqrt
abbr. 开平方根（square root）
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
Who called a while ago?
刚才谁在打电话？
This is Wei Hua. Wei Hua, this is Jim.
这是魏华。魏华，这是吉姆。