1 sentence

1. 这种新型传感器非常灵敏，能检测到空气中极其微量的甲烷。

   zhè zhǒng xīn​xíng chuán​gǎn​qì fēi​cháng líng​mǐn, néng jiǎn​cè dào kōng​qì zhōng jí​qí wēi​liàng de jiǎ​wán.

   This new sensor is highly sensitive and can detect trace amounts of methane in the air.

   Source: Dong Chinese Dictionary