| 单词 | sessile organism |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔heliotropism〕Growth or orientation of a sessile organism, especially a plant, toward or away from the light of the sun.向日性，向光性：无柄有机体，尤指植物的向日光或偏离日光而成长或定位美国传统〔hydrotropism〕Growth or movement in a sessile organism toward or away from water, as of the roots of a plant.向水性，背水性：一个无柄有机体朝水或背离水的生长或活动，就象植物根的生长或活动一样美国传统〔periphyton〕Sessile organisms, such as algae and small crustaceans, that live attached to surfaces projecting from the bottom of a freshwater aquatic environment.固着生物：固着生物体，如海藻和小型甲壳动物，固着在突出淡水水底环境的表面上美国传统〔phototropism〕Growth or movement of a sessile organism toward or away from a source of light.向光性，趋光性：无柄（固着）的生物朝向或远离某光源生长或运动的特性美国传统 |
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