saltationn.
英 sæl'teɪʃ(ə)n; sɔː-; sɒ- | 美 sæl'teʃən
中文n. 突变；跳跃
词根词源
saltation (n.)"a leap, a bound," 1620s, from Latin saltationem (nominative saltatio) "a dancing; dance," noun of action from past participle stem of saltare "to hop, dance," frequentative of salire "to leap" (see salient (adj.)).
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