Home/heliotaxisheliotaxis/hee-lee-oh-tak-sis/US // ˌhi li oʊˈtæk sɪs //UK // (ˌhiːlɪəʊˈtæksɪs) //太阳轴,日光轴,太阳神,太阳系Definitionsn.名词 noun1 Biology.: movement of an organism toward or away from sunlight.Level 5Browse all words →