| 单词 | porous |
| 释义 | porous (pɔːrəs ) 1. adjective Something that is porous has many small holes in it, which water and air can pass through. The local limestone is very porous. Synonyms: permeable, absorbent, spongy, absorptive 2. graded adjective If something such as a defence or a barrier is porous, it can be penetrated or crossed easily. [mainly journalism] Up to 10,000 troops led by 10 generals had crossed the porous border. Perhaps the most worrying aspect of England's performance was their porous defence. Collocations: porous defence He has been kept busy behind a porous defence this season. Times, Sunday Times (2006) Perhaps the most worrying aspect of England's performance was their porous defence. Times, Sunday Times (2011) A porous defence and inability to score away from home has seen them almost drop out of the race for a top-six spot. Times, Sunday Times (2007) The porous rock soaks up moisture, degrading the limestone. Smithsonian But the coroner jokingly reminded the jury that he was 'quite a porous rock' - considering the amount of her secrets that were leaked. The Sun Inside the volcano, they contend, that seepage raised the pressure of groundwater held within the porous rock to its highest levels in a half-century. Retrieved from Wikipedia CC BY-SA 3.0 Once separated, the gas can be stored in geological structures, either dissolved in water, held in porous rock or trapped under a layer of rock it cannot permeate. Times, Sunday Times These can be formed from molten droplets originating from meteor impacts or from volcanic action, or they can precipitate from solution inside of porous rock. canada.com Translations: Chinese: 多孔的 Japanese: 小穴の多い |
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