basis

n.基础，基底；根据；基准

baseline, basely, basement, baseness, bases, bash, bashful, bashfully, bashfulness, bashing, basic, BASIC (also Basic), basic slag, basically, basics, basil, basilica, basilisk, basin, basinful, bask, basket, basketball, basketful, basketwork, bass, basset, bassinet, bassoon, bast, bastard, bastardization, -isation, bastardize, -ise, bastardy, baste, Bastille, bastinado, bastion, bat, batch,