Level 4 · word 4,868 of 20,000
hum
/ˈhʌm/
American

- 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。