| 单词 | positive geotropism |
| 释义 | geotropism /jē-otˈrə-pi-zm/ (botany)nounGeotaxis, either downwards, towards the centre of the earth (positive geotropism), or upwards, away from the centre of the earth (negative geotropism) ORIGIN: Gr gē earth, and tropos a turning geotropˈic adjective geotropˈically adverb |
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