| 词汇 | pram |
| 词根词缀 | 词源： "baby carriage," 1884, shortening of perambulator (q.v.), perhaps influenced by pram "flat-bottomed boat" (1548), from O.N. pramr, from Balto-Slavic (cf. Pol. pram "boat," Rus. poromu "ferryboat"). |
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