hum

v.作嗡嗡声；哼唱

huckster, huddle, hue, huff, huffily, huffish, huffy, hug, huge, huge (great) amount of, hugely, hugeness, hugger-mugger, Hugo Wolf, Huguenot, huh, hulk, hulking, hull, hullabaloo, hullo, human, human being, human frame, human interest, human nature, human race, human rights, humane, humane killer, humanely, humanism, humanist, humanistic, humanitarian, humanitarianism, humanity, humanization, humanisation, humanize, humanise, humankind, humanly,