2 sentences

1. 我们的手几乎完全相同，但彼此互为镜像。

   wǒ​men de shǒu jī​hū wán​quán xiāng​tóng, dàn bǐ​cǐ hù wéi jìng​xiàng.

   Our hands are near-identical, but are mirror images of each other.

   Source: CCMatrix

2. 像你的手一样，自然界中的许多分子存在于两个版本中，这两个版本是彼此的镜像。

   xiàng nǐ de shǒu yī​yàng, zì​rán​jiè zhōng de xǔ​duō fēn​zǐ cún​zài yú liǎng​ge bǎn​běn zhōng, zhè liǎng​ge bǎn​běn shì bǐ​cǐ de jìng​xiàng.

   Like your hands, many molecules in nature exist in two versions that are mirror images of each other.

   Source: CCMatrix