2 examples of hapax in sentences

Hoti de kai adunaton eis tas maetras ton tekouson tous hapax gennomenous embaenai, phaneron pasin esti.

He does not say [Greek: mae dunatai eis taen koilian taes maetros autou deuteron eiselthein kai gennaethaenai], but he says [Greek: adunaton eis tas maetras ton tekouson tous hapax gennomenous embaebai].

2 examples of  hapax  in sentences