geotropotaxis

例句：

1. 1. Theplant's growth is influenced by thegeotropic properties of the soil.
   植物的生长受到土壤的地轴性质的影响。
2. 2. Theastrophysicist discovered a newgeotropism in the star system.
   天文物理学家在恒星系统中发现了一种新的地轴现象。
3. 3. The geotropism of theplant was studied to understand its growth patterns.
   研究了植物的地轴定向，以了解其生长模式。