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	leaker Leakey leakproof leaky lean lean Lean Leander leaning leanly leanness lean over backward leant lean-to leap leaper leapfrog leap in the dark leap of faith leap out leap second leapt leap year Lear Lear

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