4 sentences

1. 这个圆的直径是十厘米。

   zhè gè yuán de zhí​jìng shì shí lí​mǐ.

   The diameter of this circle is ten centimeters.

   Source: Dong Chinese Dictionary

2. 原子的直径通常用埃来表示。

   yuán​zǐ de zhí​jìng tōng​cháng yòng āi lái biǎo​shì.

   Atomic diameters are usually expressed in angstroms.

   Source: Dong Chinese Dictionary

3. 我想把区域直径扩大到现有的三倍。

   wǒ xiǎng bǎ qū​yù zhí​jìng kuò​dà dào xiàn​yǒu de sān bèi.

   I want to triple the diameter of the area.

   Source: OpenSubtitles

4. 我们正在接近一块直径600米的大碎片。

   wǒ​men zhèng​zài jiē​jìn yī kuài zhí​jìng600 mǐ de dà suì​piàn.

   We're approaching a large fragment, 600 metres in diameter.

   Source: OpenSubtitles