单词 | relay |
释义 | re·lay ![]() n. 1. An act of passing something along from one person, group, or station to another. 2. Sports a. A relay race. b. A division of a relay race. 3. Electronics A device that responds to a small current or voltage change by activating switches or other devices in an electric circuit. 4. A crew of workers who relieve another crew; a shift. 5. A fresh team, as of horses or dogs, to relieve weary animals in a hunt, task, or journey. tr.v. (rēlā, rĭ-lā) re·layed, re·lay·ing, re·lays 1. To pass along by or as if by relay: relayed the message to his boss. 2. To supply with fresh relays. 3. Electronics To control or retransmit by means of a relay. [Middle English relai, fresh team of dogs for a hunt, from Old French, from relaier, to relay : re-, re- + laier, to leave (of Germanic origin; see leip- in the Appendix of Indo-European roots).] |
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