refloatWiktionary 原文构词拆分re-前缀again, anew · a completive or intensification of the base; up, a-, out+float词根/词干词源说明From re- + float.释义（英文）动词 Verb(transitive) To cause to float again.(intransitive) To float again.名词 NounThe process of getting something to float again.