五十至六十的基数词、序数词及其缩写如下:
五十:基数词 fifty,序数词 fiftieth,缩写 50th
五十一:基数词 fifty-one,序数词 fifty-first,缩写 51st
五十二:基数词 fifty-two,序数词 fifty-second,缩写 52nd
五十三:基数词 fifty-three,序数词 fifty-third,缩写 53rd
五十四:基数词 fifty-four,序数词 fifty-fourth,缩写 54th
五十五:基数词 fifty-five,序数词 fifty-fifth,缩写 55th
五十六:基数词 fifty-six,序数词 fifty-sixth,缩写 56th
五十七:基数词 fifty-seven,序数词 fifty-seventh,缩写 57th
五十八:基数词 fifty-eight,序数词 fifty-eighth,缩写 58th
五十九:基数词 fifty-nine,序数词 fifty-ninth,缩写 59th
六十:基数词 sixty,序数词 sixtieth,缩写 60th