0 1,000,000th written as a word -- millonésimo
1 one of a million equal parts of something -- millonésima parte
a/one millionth of a second
2 one of one million equal parts -- millonésimo/ima
a millionth of an inch una millonésima de pulgada
3 1,000,000th -- millonésimo/ima
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Podemos completarlo paso a paso, por muy largo que sea el camino, y no se puede completar, por corto que sea el camino, si ni siquiera marcas tu huella.