unerring
adj.
1640s (implied in unerringly), from un-(1) "not" + verbal noun from err. Related: Unerringly.
| 词汇 | unerring | 
| 词根词缀 | Online Etymology Dictionary unerring adj. 1640s (implied in unerringly), from un-(1) "not" + verbal noun from err. Related: Unerringly. | 
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