| 单词 | certified mail |
| 释义 | certified mailnoununinsured first-class mail requiring proof of delivery. Origin of certified mailFirst recorded in 1950–55 Words nearby certified mailcertification, certification mark, certified, certified accountant, certified check, certified mail, certified milk, certified pasteurized milk, certified professional secretary, certified public accountant, certify Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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