geotropism是什么意思
英文词源
- geotropism (n.)
- "growth downward," 1874, from geo- "earth" + -trope "a turn, direction" (see trope), translating German Geotropismus (1868), which was coined in 1868 by German botanist Albert Bernhard Frank (1839-1900). Related: Geotropic.
实用例句
- 1. 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.来自辞典例句
