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1·Squares, circles and triangles are types of shape.

正方形、圆形和三角形是三种形状。《牛津词典》

2·The house is located in one of the city's prettiest squares.

该房子位于市区最漂亮的广场之一。《柯林斯英汉双解大词典》

3·He cut his paper up into tiny squares, and he numbered each one.

他把纸裁成小方块并给每个方块编号。《柯林斯英汉双解大词典》

4·The parks and squares looked grim under a mantle of soot and ash.

在一层烟尘的笼罩下，这些公园和广场显得阴沉沉的。《柯林斯英汉双解大词典》

5·What are those little squares?

那些小方块是什么啊？

6·I have triangles and squares.

我有三角形和正方形。

7·How many squares can you see?

你能看到多少个正方形？

8·Can you tell why I like squares?

你知道我为什么喜欢正方形吗？

9·This shape has six squares.

这个模型有六个正方形。

10·I have some small squares.

我有一些小的正方形。

广场

1·The house is located in one of the city's prettiest squares.

该房子位于市区最漂亮的广场之一。《柯林斯英汉双解大词典》

2·The parks and squares looked grim under a mantle of soot and ash.

在一层烟尘的笼罩下，这些公园和广场显得阴沉沉的。《柯林斯英汉双解大词典》

3·The local hotdog stand is a fixture on city squares throughout the old center, serving a variety of hotdogs and pickled side dishes.

当地的热狗摊是老城区中心广场上的固定摊位，供应各种热狗和腌配菜。

4·Centuries ago, we gathered in town squares to discuss the deaths of our neighbors and friends.

几个世纪前，我们聚集在城镇广场讨论邻居和朋友的去世。

5·And standing before the white headstones in Arlington, and in peaceful cemeteries and small-town squares in every corner of the country, they will pay respects to those lost in Iraq and Afghanistan.

站在阿林顿市白色墓石前，或是全国各地的墓园和小城镇的广场上，我们会对那些在阿富汗战争和伊拉克战争中英勇捐躯的战士表示敬意。

正方形

1·This shape has six squares.

这个模型有六个正方形。

2·I see four blue squares.

我看到四个蓝色的正方形。

3·Can you tell why I like squares?

你知道我为什么喜欢正方形吗？

4·I have some small squares.

我有一些小的正方形。

5·The squares can be made of plastic.

这些正方形可以用塑料做成。

(1)least squares method最小二乘法，最小二乗法

(1)sum of squares平方和；统计表

(1)least squares fitting最小二乘方拟合

(1)least squares adjustment最小二乘法平差

(1)least squares technique最小二乘法