释义 |
1st class ThesaurusNoun | 1. | 1st class - mail that includes letters and postcards and packages sealed against inspection1st-class mail, first-class mail, first classmail - the bags of letters and packages that are transported by the postal servicecorrespondence - communication by the exchange of letters |
1st class
Synonyms for 1st classnoun mail that includes letters and postcards and packages sealed against inspectionSynonyms- 1st-class mail
- first-class mail
- first class
Related Words |