回传的英文：
a returned pass

参考例句：

CMTRI(Cable Modem Telephone Return Interface)
电缆调制解调器中回传电话接口

returned是什么意思：
adj. 被送回的；归来的；回国的
v. return的过去式和过去分词；回来

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。

pass是什么意思：
v. 通过；传递；及格；经过
n. 穿过，经过；通行证，护照，入场证

This coin will not pass.
这钱币不通用。

pass a messenger
传递引绳

The evening passed as evenings mostly pass at Italian theatres
那一声过得很平淡，象意大利戏院里的大多数夜晚一样

Jan has passed the ball to the teammate, a wonderful pass.
简把球传给了队友，传得可真漂亮。

You could pass for a teenager. The fake painting passed for an original.
你可冒充十几岁的人。这幅伪造的画被当作真品