unshakable
adj.
1610s; see un-(1) "not" + shake, v. + -able. Of beliefs, etc., from 1670s.
| 词汇 | unshakable | 
| 词根词缀 | Online Etymology Dictionary unshakable adj. 1610s; see un-(1) "not" + shake, v. + -able. Of beliefs, etc., from 1670s. | 
| 随便看 | 
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