1 sentence

1. 一些温度计和灯泡含有非常少量的水银。

   yī​xiē wēn​dù​jì hé dēng​pào hán​yǒu fēi​cháng shǎo​liàng de shuǐ​yín.

   Some thermometers and light bulbs contain very small amounts of mercury.

   Source: CCMatrix