| 单词 | certify |
| 释义 | certify v.tr. (-ies, -ied) 1. make a formal statement of; attest; attest to (certified that he had witnessed the crime). 2. declare by certificate (that a person is qualified or competent) (certified as a trained bookkeeper). 3. officially declare insane (he should be certified). Phrases and idioms certified cheque a cheque the validity of which is guaranteed by a bank. certified mail US = recorded delivery (see RECORD). certified milk milk guaranteed free from the tuberculosis bacillus. Etymology: ME f. OF certifier f. med.L certificare f. L certus certain |
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