太平 たいへい よう横断 おうだんでしょう
taiheiyō ōdandeshō

Noun
Desu Copula
no-Adjective

Expresses probability in a polite manner ("probably…") of 太平洋横断

1. Probably across the Pacific.; It will likely cross the Pacific.

Polite
Presumptive
Conjecture