Level 4 · word 4,868 of 20,000

hum

/ˈhʌm/ American
Picture: hum
  • v. 发嗡嗡声, 哼唱
  • n. 嗡嗡声
Definition
  • v. to make a continuous low sound, or sing with your lips closed
  • n. a continuous low buzzing or murmuring sound
Example
I could hear the refrigerator hum softly in the kitchen.
我能听到厨房里冰箱发出轻轻的嗡嗡声。