可退回的的英文：
returnable

"Our packing charge includes $1 for the drum, which sum will be credited on return."
包装费中1美元是包装桶的费用,该项费用在还桶时可退回。

The return of a prodigal
回头浪子

Return ReceiptsSettings for requesting or returning receipts
返回收据有关收据的请求或返回有关的设置

To return disappointedly; defeated.
铩羽而归

The groom returned to the carriage.
马夫回到马车那儿。

Blair will return to London tonight.
今晚布莱尔将返回伦敦。