| 单词 | hum |
| 释义 | Word Frequency hum(hʌm) verbWord forms: hums, humming or hummed 1. (intransitive) to make a low continuous vibrating sound like that of a prolonged m 2. (intransitive) (of a person) to sing with the lips closed 3. (intransitive) to utter an indistinct sound, as in hesitation; hem 4. (intransitive) informal to be in a state of feverish activity 5. (intransitive) British and Irish slang to smell unpleasant 6. (intransitive) Australian slang to scrounge 7. hum and haw noun 8. a low continuous murmuring sound 9. electronics an undesired low-frequency noise in the output of an amplifier or receiver, esp one caused by the power supply 10. Australian slang a scrounger; cadger 11. British and Irish slang an unpleasant odour exclamation, noun 12. an indistinct sound of hesitation, embarrassment, etc; hem Derived forms hummer (ˈhummer) noun Word origin C14: of imitative origin; compare Dutch hommelen, Old High German humbal bumblebee |
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