To greet with a hum; to hum up, down, to express approval or disapproval of, by humming.
| 单词 | θ66991 |
| 释义 | the world > physical sensation > hearing and noise > voice or vocal sound > other vocal sounds > [verb (transitive)] > hum in approval or disapproval > greet with (1) hum1642 To greet with a hum; to hum up, down, to express approval or disapproval of, by humming. |
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