单词	ruby laser
释义	ruby laser noun : a laser in which red light is produced by an atomic transition of the chromium contained in a ruby rod Word History First Known Use 1960, in the meaning defined above
随便看	stopgapest stopgapper stopgappest stopgaps Stoph stoping stopings stopless stoplessness stoplight stoplights stopoffs stopover stopovers stoppable stoppabler stoppablest stoppage stoppage at source stoppages Stoppard stopped stopped (by or in) stopped (by) stopped (over)

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