| 词汇 | drone |
| 词根词缀 | 词源： drone (n.) O.E. dran, dræn "male honeybee," from P.Gmc. *dran-, probably imitative; given a figurative sense of "idler, lazy worker" (male bees make no honey) 1520s.Meaning "pilotless aircraft" is from 1946. The verb in the sound sense is c.1500, apparently imitative. Related: Droned; droning. |
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