hum

hum

名词 hum:

the state of being or appearing to be actively engaged in an activity

同义词：busyness

an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan

同义词：Harkat-ul-Mujahidin, Harkat ul-Ansar, HUA, Harkat ul-Mujahedeen, Al Faran, Movement of Holy Warriors

a humming noise

同义词：humming

动词 hum:

sing with closed lips

be noisy with activity

同义词：buzz, seethe

sound with a monotonous hum

同义词：thrum

make a low continuous sound