4 sentences

1. 这些塑料瓶在降解时也会释放毒素。

   zhè​xiē sù​liào píng zài jiàng​jiě shí yě huì shì​fàng dú​sù.

   These plastic bottles also release toxins as they degrade.

   Source: CCMatrix

2. 当塑料废物进入水道时，它不会像天然材料那样降解。

   dāng sù​liào fèi​wù jìn​rù shuǐ​dào shí, tā bù​huì xiàng tiān​rán cái​liào nà​yàng jiàng​jiě.

   When plastic waste enters waterways, it does not degrade as natural materials do.

   Source: CCMatrix

3. 旧金山的居民和企业每天会把650吨的厨余和其他可降解材料做成堆肥。

   jiù​jīn​shān de jū​mín hé qǐ​yè měi​tiān huì bǎ650 dūn de chú​yú hé qí​tā kě jiàng​jiě cái​liào zuò chéng duī​féi.

   San Francisco’s residents and businesses compost 650 tons of food scraps and other compostable material per day.

   Source: CCMatrix

4. 他们的大部分包装都是可生物降解或可回收的。

   tā​men de dà​bù​fen bāo​zhuāng dōu shì kě shēng​wù​jiàng​jiě huò kě​huí​shōu de.

   Most of their packaging is biodegradable or recyclable.

   Source: CCMatrix