2 sentences

1. 这批食品中的重金属含量严重超标。

   zhè pī shí​pǐn zhōng de zhòng​jīn​shǔ hán​liàng yán​zhòng chāo​biāo.

   The heavy metal content in this batch of food seriously exceeds the safety standards.

   Source: Dong Chinese Dictionary

2. 这种工厂排出的废水中含有大量重金属。

   zhè zhǒng gōng​chǎng pái​chū de fèi​shuǐ zhōng hán​yǒu dà​liàng zhòng​jīn​shǔ.

   The wastewater discharged from this factory contains a large amount of heavy metals.

   Source: Dong Chinese Dictionary