Sqrt
abbr. 开平方根（square root）
🗣️ 情景例句
Have you filled in the baggage declaration?
行李申请单填好了吗？
I'll pick up the tab.
我来付帐。
Open the door, please, Lucy. Lily, is she opening the door?
露茜，请把门打开。莉莉，她在开门吗？