及物动词

1. the act of passing something along from one person or group to another

e.g. the relay was successful

2. electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit

Synonym: electrical relay

3. a race between teams
each member runs or swims part of the distance

Synonym: relay race

4. a fresh team to relieve weary draft animals

5. a crew of workers who relieve another crew