Topic: SPORT
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re‧lay1

1 if people do something in relays, several small groups of them do it, one group after another, so that the activity is continuous
in relays
2 [countable]DS a relay race :
the 100 metres relay
the 100 metres relay3 [uncountable and countable]TCB a piece of electrical equipment that receives radio or television signals and sends them on
