单词	phosphonium
释义	phos·pho·ni·um (fŏs-fōnē-əm) n. A univalent cation, PH4+, derived from phosphine. [PHOSPH(O)- + (AMM)ONIUM.]
随便看	defoliator deforce deforcement De Forest deforest deforestation deforester deform deformability deformable deformation deformational deformed deformity defrag defragger defragment defragmentation defragmenter defraud defraudation defrauder defray defrayable defrayal

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