hindexheliotaxis./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.noun · 名词1. Biology.›movement of an organism toward or away from sunlight.Level 5More words in h →