geotropism的用法和樣例：
例句
用作名詞 (n.)
- The main stems of a plant show negative geotropism as they grow upwards.
植物莖往上長時表現出負向地性。
辭彙搭配
- transverse geotropism 橫向地性
- negative geotropism 負向地性,背地性...
- positive geotropism 正向地性
