text_original: It was unbreathably thin and unbearably cold, although, when mixed with the air of the _Astronef_, it distinctly freshened it up. This proved that its composition was, or had been, fit for human respiration.
text_transcription: IT WAS UNBREATHABLY THIN AND UNBEARABLY COLD ALTHOUGH WHEN MIXED WITH THE AIR OF THE ASTRONUFF IT DISTINCTLY FRESHENED IT UP THIS PROVED THAT ITS COMPOSITION WAS OR HAD BEEN FIT FOR HUMAN RESPIRATION
phonemes: ɪt wʌz ʌnbɹˈiːðəbli θˈɪn ænd ʌnbˈɛɹəbli kˈoʊld, ɔːlðˈoʊ, wˌɛn mˈɪkst wɪððɪ ˈɛɹ ʌvðɪ ˈæstɹoʊnəf, ɪt dɪstˈɪŋktli fɹˈɛʃənd ɪɾ ˈʌp. ðɪs pɹˈuːvd ðæt ɪts kˌɑːmpəzˈɪʃən wʌz, ɔːɹ hɐdbɪn, fˈɪt fɔːɹ hjˈuːmən ɹˌɛspᵻɹˈeɪʃən.