| 单词 | relay |
| 释义 | Word Frequency relaynoun (ˈriːleɪ) 1. a person or team of people relieving others, as on a shift 2. a fresh team of horses, dogs, etc, posted at intervals along a route to relieve others 3. the act of relaying or process of being relayed 4. a. short for relay race b. one of the sections of a relay race 5. an automatic device that controls the setting of a valve, switch, etc, by means of an electric motor, solenoid, or pneumatic mechanism 6. electronics an electrical device in which a small change in current or voltage controls the switching on or off of circuits or other devices 7. radio a. a combination of a receiver and transmitter designed to receive radio signals and retransmit them, in order to extend their range b. (as modifier) a relay station verb (rɪˈleɪ) (transitive) 8. to carry or spread (something, such as news or information) by relays 9. to supply or replace with relays 10. to retransmit (a signal) by means of a relay 11. British to broadcast (a performance) by sending out signals through a transmitting station this concert is being relayed from the theatre Word origin C15 relaien, from Old French relaier to leave behind, from re- + laier to leave, ultimately from Latin laxāre to loosen; see relax |
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