upside

prep.在…一边

upkeep, upland, uplift, upon, upper, upper case, upper-cut, uppermost, uppish, upraise, upright, upright piano (also upright), uprightness, uprising, uproar, uproarious, uproariously, uproot, upset, upshot, upside down, upside-down, upstage, upstairs, upstanding, upstart, upstream, upsurge, upswing, uptake, uptight, uptown, upturn, upturned, upward, upward (also upwards / -wEdz; -wLdz/), upward mobility, upward(s), upwards, upwards of,