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  • trivalent

    adj.[化]三价的名词:trivalencetrivalent英英释义Adjectivehaving a valence of threetrivalent例句Of or containing trivalent nickel, Ni3+.含三价镍的有或含三价镍的,Ni3+This is one trival work intractably again.这是一项繁琐又棘手的工作。He...

    2025-12-12