hub

n. 轴心，中心

hovercraft, hovertrain, how, how about, How about?, How come...?, how do you do, how long, howdah, however, howitzer, howl, howler, howling, hoyden, hoydenish, hp (also HP), HQ, hr, HRH, hub-cap, Hubble, hubble-bubble, hubbub, hubby, hubris, huckleberry, huckster, huddle, hue, huff, huffily, huffish, huffy, hug, huge, huge (great) amount of, hugely, hugeness, hugger-mugger, Hugo Wolf,