1To float; to be suspended on or above a surface (e.g. on water).
ボートが静かな湖の上にゆっくり浮かんでいる。
The boat is slowly floating on the calm lake.
風船が空に浮かんでいった。
The balloon floated up into the sky.
紙片がプールの表面に浮かんでいるのを見つけた。
I found a scrap of paper floating on the surface of the pool.
2To rise to the surface or appear; to emerge or come into view (to loom up).
霧の中に島がゆっくり浮かんできた。
An island slowly emerged from the mist.
ニュースで問題点が次第に浮かんできた。
Problems gradually came to light in the news.
3To come to mind; to be brought to mind; to have an idea or inspiration occur to one.
いいアイデアがふと頭に浮かんだ。
A good idea suddenly came to mind.
彼の顔がなぜか急に浮かんできた。
For some reason his face suddenly came to mind.
その曲を聞くと子どもの頃の思い出が次々と浮かぶ。
When I hear that song, memories from my childhood come to mind one after another.