5 sentences

1. 那么，臭氧到底是好还是坏？

   nà​me, chòu​yǎng dào​dǐ shì hǎo hái​shi huài?

   So, is ozone good or bad?

   Source: CCMatrix

2. 空气中有一种怪异的气味，后来我知道那是臭氧的气味。

   kōng​qì zhōng yǒu yī​zhǒng guài​yì de qì​wèi, hòu​lái wǒ zhī​dao nà shì chòu​yǎng de qì​wèi.

   A strange odor was in the air, which I later learned was the smell of ozone.

   Source: CCMatrix

3. 我以为臭氧洞正在恢复？

   wǒ yǐ​wéi chòu​yǎng​dòng zhèng​zài huī​fù?

   I thought the ozone hole was recovering?

   Source: CCMatrix

4. 你在破坏臭氧层。

   nǐ zài pò huài chòu​yǎng​céng.

   You're destroying the ozone layer.

   Source: AI Challenger 2017

5. 为什么臭氧空洞只发生在南极，而不是其他地方？

   wèi​shén​me chòu​yǎng​kōng​dòng zhǐ fā​shēng zài nán​jí, ér bù​shì qí​tā dì​fang?

   Why does the ozone hole only happen in Antarctica and not elsewhere?

   Source: CCMatrix