| 释义 |
- adj.万无一失的；一贯正确（或精确）的
- 网络正确的；无偏差的；准确的
adj. certain,sure,absolute,positive,definite 1. | 万无一失的；一贯正确（或精确）的always right or accurate |
| She had an unerring instinct for a good business deal. 她有天生擅长做生意的本事。 |
adj. | 1. unfailingly accurate or correct 2. always right or accurate |
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