2 sentences

1. 事故发生时，矿井里有151人。

   shì​gù fā​shēng shí, kuàng​jǐng li yǒu151 rén.

   At the time of the accident, there were 151 people in the mine.

   Source: CCMatrix

2. 我们知道矿井非常危险。

   wǒ​men zhī​dao kuàng​jǐng fēi​cháng wēi​xiǎn.

   We know the mine is very dangerous.

   Source: OpenSubtitles