7 sentences

1. 他把这些旧书拿去回收了。

   tā bǎ zhè​xiē jiù​shū ná​qù huí​shōu le.

   He took these old books for recycling.

   Source: Dong Chinese Dictionary

2. 我们要学会将废物回收利用。

   wǒ​men yào xué​huì jiāng fèi​wù huí​shōu lì​yòng.

   We should learn to recycle and reuse waste materials.

   Source: Dong Chinese Dictionary

3. 我们要养成回收废纸的好习惯。

   wǒ​men yào yǎng​chéng huí​shōu fèi​zhǐ de hǎo xí​guàn.

   We should develop the good habit of recycling waste paper.

   Source: Dong Chinese Dictionary

4. 我们要养成回收废旧物品的好习惯。

   wǒ​men yào yǎng​chéng huí​shōu fèi​jiù wù​pǐn de hǎo xí​guàn.

   We should develop the good habit of recycling old and discarded items.

   Source: Dong Chinese Dictionary

5. 这家工厂专门负责回收铜、铝等各种有色金属。

   zhè jiā gōng​chǎng zhuān​mén fù​zé huí​shōu tóng, lǚ děng gè zhǒng yǒu​sè​jīn​shǔ.

   This factory specializes in recycling various non-ferrous metals such as copper and aluminum.

   Source: Dong Chinese Dictionary

6. 回收的航天舱已被送往实验室。

   huí​shōu de háng​tiān​cāng yǐ bèi sòng​wǎng shí​yàn​shì.

   The recovered space capsule has been sent to the laboratory.

   Source: Dong Chinese Dictionary

7. 该汽车厂商宣布回收存在制动系统问题的车辆。

   gāi qì​chē chǎng​shāng xuān​bù huí​shōu cún​zài zhì​dòng xì​tǒng wèn​tí de chē​liàng.

   The automaker announced a recall of vehicles with braking system issues.

   Source: Dong Chinese Dictionary