hy.drot.ro.pismn.(名词)Growth or movement in a sessile organism toward or away from water, as of the roots of a plant.向水性,背水性:一个无柄有机体朝水或背离水的生长或活动,就象植物根的生长或活动一样【引伸】hy.drotro.pichy.drotro.picallyadv.(副词)