| 单词 | vacillate |
| 释义 | Word Frequency vacillate(ˈvæsɪˌleɪt) verb (intransitive) 1. to fluctuate in one's opinions; be indecisive 2. to sway from side to side physically; totter or waver Derived forms vacillation (ˌvacilˈlation) noun vacillator (ˈvacilˌlator) noun Word origin C16: from Latin vacillāre to sway, of obscure origin |
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