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to float; to set afloat; to launch
to show on one's face (smile, sadness, etc.)
to recall; to call to mind; to imagine; to think of
子供たちは水に紙の船を浮かべて遊ぶ。
Children play by floating paper boats on the water.
彼女は嬉しそうな笑顔を浮かべていた。
She was wearing a happy smile on her face.
彼は不安な表情を浮かべてこちらを見た。
He looked at me with an anxious expression.