彼はもちろん村の最長老だ。

Meaning
he is, of course, the eldest in the village

Vocab used in this sentence

he, his, him, boyfriend
a, the, is, am, are, will
もちろん
of course, course, obviously, certainly, mention
village, hamlet, mura
to, of
most, highest, utmost, maximum, extreme, minimum
長老
senior, eldest, doyen, elder, longevity, presbyterian
is, be, are, am, it is, seems

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