| 单词 | unfasten |
|---|---|
| 音标 | ['ʌn'fɑ:sn] |
| 解释 | v.解开 |
| 红宝书 | 【考】 反义词：secure(固定 ) 【记】 un（不）+fasten（扎 牢，扣紧） |
| 字源 | unfasten (v.) early 13c., from un- (2) "opposite of" + fasten. Old English had unfæstnian "to unfasten." Related: Unfastened; unfastening. |
| 不择手段背单词 | v. 解开; 松开 【记】un不, fasten(v 扎牢; 扣紧): 解开 【反】secure(v 保护; 使紧) |
| 趣味全助记 | 无 |
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