ichidan verb, transitive verb
Transitive: cause something to float on water or in the air. Used for boats, balloons, objects on a surface, etc.
子どもたちは池に紙の船を浮かべた。
The children floated paper boats on the pond.
彼は風船を空
He let the balloon float up into the sky.
ichidan verb, transitive verb
show on one's face; wear (an expression)
Used for facial expressions, especially emotions like smiles, sadness, or worry. Often with 顔に or 表情に.
彼女は顔にほほえみを浮かべた。
She wore a smile on her face.
彼は悲しそうな表情を浮かべていた。
He had a sad expression on his face.
ichidan verb, transitive verb
Bring an image, memory, or thought to mind. Often used with 心に, 頭に, or 思い.
彼は心に故郷の景色を浮かべた。
He pictured the scenery of his hometown in his mind.
その話を聞いて、私は子どものころの思い出を浮かべた。
Hearing that story, I recalled memories of my childhood.