| 单词 | sessile |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔free-living〕Moving independently; not sessile.独立移动的；非固着的美国传统〔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〔perfoliate〕Of or relating to a sessile leaf or bract that completely clasps the stem and is apparently pierced by it.抱茎的：属于或关于完全环绕茎部并明显被茎穿过的无柄叶片或苞叶的美国传统〔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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