hum
US /hʌm/
UK /hʌm/

动词
1.
2.
哼唱
sing with closed lips, without articulating words
示例:
•
She likes to hum a tune while she works.
她喜欢在工作时哼唱一首曲子。
•
He was humming softly to himself.
他轻轻地哼着歌。
名词
在 Lingoland 学习这个单词
哼唱
sing with closed lips, without articulating words