To send by relay.

分程输送。

To provide with relays.

供给补给品；接班。

To send out (a broadcast program received from another station).

转播。

To obtain a fresh supply, as of horses or men.

获得新的供给(如人、马)。

A supply of fresh men, horses, or the like, held ready to replace or relieve others, usually at a given time or place.

备以替换之人、马(等)，后援；接班者。

The place at which such a relief is to be found.

替换人马所在处；中继站。

In general, a supply of anything laid up or kept in store for relief or fresh supply from time to time.

补充物资。

A device by which the opening or closing of one circuit opens or closes another.

【电】继电器。

To lay again.

再置；重造。