单词	gravitropism
释义	gravitropism noun gra·​vit·​ro·​pism grə-ˈvi-trə-ˌpi-zəm  : a tropism (as of plant roots or shoots) in which gravity is the stimulus : geotropism No matter what the orientation of a seed for instance, the roots will always grow down to the soil. This has a special name, gravitropism, and is movement in response to the force of gravity … Jeanette Mackay Word History Etymology gravi(ty) + -tropism First Known Use 1969, in the meaning defined above
随便看	arabicize arabicized arabicizes arabicizing arabics Arabidopsis arabilities arability arabinogalactan arabinogalactans arabinose arabinoses arabinoside arabinosides Arabis Arabise arabise arabised arabises arabising Arabism arabisms Arabist arabists arabization

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