词根 van = 前，先词根 urg(y) = 制作词根 vacc = 牛词根 ur = urine 尿词根 trop = turn 转词根 tox = poison 毒词根 top = 地方词根 toler = endure 容忍词根 tir = 拉，引词根 therm(o) = hot/heat 热/热的词根 terg,ters = 擦，除掉词根 sum = 总，最高词根 techo,techn(o) = art/ skill 技艺 / 技术词根 stru,stro,struct = build 建造词根 strat = 层词根 stor = 存放词根 stom,stomat(o) = mouth 口词根 stereo = solid 立体词根 sorb,sorpt = 吸词根 soci = companion,associate 同伴,结交,联合