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superannuate

vt. 废弃，淘汰；给……养老金使退休；解雇……

vi. 变得过时；因年老而领养老金退休

英文词源

superannuate (v.): 1640s, "render obsolete," back-formation from superannuated. Meaning "impair or disqualify by old age" is from 1690s. Related: Superannuating.

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