| 释义 |
〔geotropism〕The growth of a living organism in response to gravity, as the downward growth of plant roots.对于地心引力的向性:有机体的生长对地心引力的向性,如植物根部向下长〔diageotropism〕The tendency of growing parts, such as roots, to become oriented at right angles to the direction of gravitational force.横生,横向地性:生长部分在地心引力的作用下倾向于适当角度,如植物的根 |