单词	ultra-
释义	ultra-ultra- /ʌltrə/ prefix Word Origin WORD ORIGINultra- Origin: Latin ultra ‘beyond’, from ulter; ➔ ULTERIOR Examples EXAMPLES FROM OTHER DICTIONARIES an ultramodern building ultraviolet light 1extremely:  an ultra-modern building He remained ultra-cautious. an ultra-light jacket2technical above and beyond something in a range:  ultrasound (=sound that is too high for humans to hear) → infra-
随便看	death certificate death-defying death duties Death in Venice death knell deathless deathly death mask Death of a Salesman death penalty death rate death rattle death row death sentence death's head death squad death stare death throes death toll death trap Death Valley death warrant death wish deb debacle

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