1 sentence

1. 你的手机至少含有30种不同的天然元素，包括锂元素。

   nǐ de shǒu​jī zhì​shǎo hán​yǒu30 zhǒng bù​tóng de tiān​rán yuán​sù, bāo​kuò lǐ yuán​sù.

   Your phone contains at least 30 different naturally-occurring elements, including lithium.

   Source: CCMatrix