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单词	porosity
释义	po·ros·i·ty (pə-rŏsĭ-tē, pô-) n. pl. po·ros·i·ties 1. The state or property of being porous. 2. A structure or part that is porous. 3. The ratio of the volume of all the pores in a material to the volume of the whole. [Middle English porosite, from Old French, from Medieval Latin porōsitās, from porōsus, porous; see POROUS.]
随便看	bolt upright Boltzmann bolus Bolzano Bolívar Bolívar bomb bombard bombarder bombardier bombardier beetle bombardment bombardon bombast bombaster bombastic bombastically Bombay Bombay Bombay duck bombazine bomb bay bombe bombed bomber

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。