宇宙旅行についての面白い動画をネットで見たよ

Meaning: i watched an interesting video online that talked about space travel

宇宙: universe, space, cosmos, outer space, cosmic, aerospace
旅行: travel, trip, traveling, vacation, tour, journey, tourist, travelling, tourism, trek
に: in, to, on, at, into, upon
つい: about, just, quite, accidentally, eventually, inevitably, inadvertently, unconsciously, unintentionally
て: the, it, have
の: to, of
面白い: fun, funny, interesting, amusing, entertaining, enjoyable
動画: video, youtube, movie, moving, animation
を: o, the, to, wo
ネット: net, internet, web, planet
で: in, at, on, with, by, over, through
見る: see, watch, look, to see, to watch, show, view, to look at
た: the, was, ta, da, other
よ: the, yo, ll