向氧性:一种刺激方向为氧气的向性运动.Aerotropism A TROPISM in which the orientating stimulus is oxygen.向触性 ( 向性运动 ) :是响应外界接触的一种感性运动.Haptonasty ( haptonastic movements ) A nastic movement in response to contact.向触性:生物体接触到刺激时发生向性运动.Thigmotr...