常見例句noun(LETTER)(RIVER)R Thames 泰晤士河(DIRECTION)(ROYAL PERSON)Elizabeth R 伊麗莎白女王adjective(ROYAL)He's an RAF (= Royal Air Force) officer. 他是一名英國皇家空軍軍官。RSPH, the Royal Society for Public Health RSPH，即皇家公共衛(wèi)生學(xué)會(huì)(DIRECTION)R eye: 3.20/L eye: 3.25 右眼: 3.20／左眼: 3.25(FILM)adverb 返回 R, r