The square of 7 is 49.

7的平方是49。

《牛津词典》

She sat cross-legged on a square of threadbare carpet.

她盘腿坐在那块破旧地毯的一方上。

《柯林斯英汉双解大词典》

If I win the game, I'd like one grain of rice for the first square of the chessboard, two for the second, four for the third, and then double the amount for each of the rest of the squares.

如果我赢了，我想在棋盘的第一个方格里放一粒米，在第二个方格里放两粒米，在第三个方格里放四粒米，然后在剩下的方格里依次放两倍的米。

youdao

One woman wiped her eyes with a small square of lace and passed Missus Sommers her box of candy.

VOA: special.2009.09.05

So, at this place where it hits zero, 0 that means that the square of the wave function is also going to be zero, right.

它达到0的地方，这意味着波函数的，平方也是,如果我们看概率密度图。

麻省理工公开课 - 化学原理课程节选

And they close off the square and just allow the public into certain bits of it

那时，他们会封闭广场，只允许公众去特定的区域，

关于莱斯特广场 - SpeakingMax英语口语达人

The length of a meeting rises with the square of the number of people present.

FORBES: Magazine Article

The value of a network rises by the square of the number of compatibly connected users.

FORBES: Gilder's Ten Rules For Tech Investors

That London was the square of the board Eliot landed on was something of an accident.

NEWYORKER: Practical Cat