barter

v./n.货物交换；易货贸易

barrack-, barracking, barracks, barracuda, barrage, barrel, barrel-organ, barren, barrenness, barricade, barrier, barrier cream, barrier reef, barring, barrio, barrister, barrow, barrow boy, Bart, bartender, bas-relief, basalt, base, base on (upon), base rate, baseball, baseboard, based on, baseless, baseline, basely, basement, baseness, bases, bash, bashful, bashfully, bashfulness, bashing, basic,