| 单词 | passenger-kilometre |
| 释义 | > as lemmaspassenger-kilometre passenger-kilometre n. a unit of traffic measurement representing one passenger travelling a distance of one kilometre. ΚΠ 1892 Econ. Jrnl. 2 586 Summary: increase in mileage, 3·64 p.c.; in number of passengers, 161 p.c.; in number of passenger-kilometres, 85·14 p.c. 1997 Sci. Amer. Oct. 39/1 (caption) World traffic volume, measured in passenger-kilometers (pkm), will continue to balloon, with higher-speed transport gaining market share. < as lemmas |
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