| 单词 | infallible |
| 例句 | infallible adjective 1.•an infallible sense of timing:unerring, unfailing, faultless, flawless, impeccable, perfect, precise, accurate, meticulous, scrupulous. 2.•an infallible remedy:unfailing, unerring, guaranteed, dependable, trustworthy, reliable, sure, certain, safe, foolproof, effective | informal sure-fire | formal efficacious. |
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