verb · to collect and process used materials for reuse

我们要养成回收废纸的好习惯。

verb · to withdraw or call back a defective product from circulation

该汽车厂商宣布回收存在制动系统问题的车辆。

verb · to retrieve or get back something previously sent out, such as a satellite, loan, or resources

回收的航天舱已被送往实验室。