单词geotropism
n.: 【生】向地性
网络: 趋地性；属地性；向性
【生物学】向地性
趋地性
An auxin increases the growth in length of a plant cell, thus causing the curving of a stem, or roof, in phototropism and geotropism.
植物生长素能加快植物细胞长势，因此使茎弯曲向着阳光，或使根深扎入土。
The main stems of a plant show negative geotropism as they grow upwards.
植物茎往上长时表现出负向地性。
To this end, he geotropism Ditan Hospital claims 12 million yuan.
为此，他向地坛医院索赔12万余元。
Where is your destination, to the days to spring geotropism, but also to the sunset!
你的归宿在哪里，向天向地向春风，也向夕阳！