n the act of passing something along from one person or group to another
n a crew of workers who relieve another crew
n a fresh team to relieve weary draft animals
n a race between teams; each member runs or swims part of the distance
n electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
v pass along
v control or operate by relay
v. 转述( relay的第三人称单数 ); 转达