9 sentences

1. 广场呈方形，周围环绕着中世纪建筑。

   guǎng​chǎng chéng fāng​xíng, zhōu​wéi huán​rào zhe zhōng​shì​jì jiàn​zhù.

   The area has a square shape, surrounded by medieval buildings.

   Source: CCMatrix

2. 海的中央有三个以桥梁连在一起的大小不同的方形岛。

   hǎi de zhōng​yāng yǒu sān​ge yǐ qiáo​liáng lián zài​yī​qǐ de dà​xiǎo bù​tóng de fāng​xíng dǎo.

   In the center of the sea, there are three square islands of different sizes connected by bridges.

   Source: CCMatrix

3. 城堡的主要部分是一个大型方形塔楼，中间有一个封闭的庭院。

   chéng​bǎo de zhǔ​yào bù​fen shì yī​ge dà​xíng fāng​xíng tǎ​lóu, zhōng​jiān yǒu yī​ge fēng​bì de tíng​yuàn.

   The main part of the castle is a big square tower with an enclosed courtyard in the middle.

   Source: CCMatrix

4. 小女孩在纸上画了一个正方形。

   xiǎo nǚ​hái zài zhǐ shang huà le yī​ge zhèng​fāng​xíng.

   The little girl drew a square on the paper.

   Source: UM-Corpus: Spoken

5. 画一条对角线，把正方形分成两个三角形。

   huà yī tiáo duì​jiǎo​xiàn, bǎ zhèng​fāng​xíng fēn​chéng liǎng ge sān​jiǎo​xíng.

   Draw a diagonal line to divide the square into two triangles.

   Source: UM-Corpus: News

6. 正方形是具有四个等边和四个直角的图形。

   zhèng​fāng​xíng shì jù​yǒu sì ge děng biān hé sì ge zhí​jiǎo de tú​xíng.

   A square is a figure with four equal sides and four right angles.

   Source: UM-Corpus: Education

7. 最简单的版本可能是一个顶部有一个循环的正方形。

   zuì jiǎn​dān de bǎn​běn kě​néng shì yī​ge dǐng​bù yǒu yī​ge xún​huán de zhèng​fāng​xíng.

   The simplest version might be a square with a loop at the top.

   Source: CCMatrix

8. 有趣的是，章鱼也有长方形的瞳孔。

   yǒu​qù de shì, zhāng​yú yě yǒu cháng​fāng​xíng de tóng​kǒng.

   Interestingly, octopuses also have rectangular pupils.

   Source: CCMatrix

9. 他将自己的小说写在长方形索引小卡片上，每张卡片能写约150个单词。

   tā jiāng zì​jǐ de xiǎo​shuō xiě zài cháng​fāng​xíng suǒ​yǐn xiǎo kǎ​piàn shang, měi zhāng kǎ​piàn néng xiě yuē150 ge dān​cí.

   He wrote his novels on small rectangular index cards that held around 150 words each.

   Source: CCMatrix