insertionn.
英 ɪn'sɜːʃ(ə)n | 美 ɪn'sɝʃən
中文n. 插入；嵌入；插入物
词根词源
insertion (n.)1590s, "act of putting in," from Late Latin insertionem (nominative insertio), noun of action from past participle stem of inserere (see insert). Meaning "that which is inserted" attested from 1620s.
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