| 单词 | rr | 
| 释义 | > as lemmasRR   RR n. North American railroad. ΚΠ 1830    S. H. Long  & W. G. McNeill Narr. Proc. Board Engineers Baltimore & Ohio Rail Road 21  				They however congratulate themselves and the Rail-road Company on the acquisition of an experienced agent... [signed] Caspar W. Wever, Esq. Sup't of Construction for the B. & O. R. R. Company. 1950    H. M. Corning New Washington 289  				Railroad Stations: West end of Main St. for Union Pacific RR. 2006    Intelligencer Jrnl. 		(Lancaster, Pa.)	 		(Nexis)	 1 Nov. 5  				The Stiegel Valley model RR exhibit next door, makes for a very nice attraction for residents and guests. < as lemmas | 
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