supersessionn.
英 ,sjuːpə'seʃən | 美 ,sʊpɚ'sɛʃən
中文n. 废弃；代替
词根词源
supersession (n.)1650s, from Medieval Latin supersessionem (nominative supersessio), noun of action from past participle stem of Latin supersedere "sit on top of" (see supersede).
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