第一至31英文點算？

To Salina;

The spelling pronunciation suggested by the written form of the word numerals letter-form shown together in an order are:-

cardinal numbers eg:-1- , 31 are one---thirty-one.

<---->two, three, four, five, six, seven, eight, nine, ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty, twenty-one, thirty, thirty-one.. when some more complex numbers follow the rule of cardinal.

(contrasted with ordinal numbers)

ordinal, n, adj.

ordinal numbers eg:-first, second, third,-------->thirty-first.

<--->fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth, twentieth, twenty-first, twenty-second ,twenty-third, thirtieth=30th; not thirtieth-first.,

(contrasted with cardinal numbers)