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to drift; to float
to waft (e.g. a scent); to hang in the air
to be in the air (e.g. a feeling or mood)
to wander; to walk around aimlessly
不穏な空気が会議室に漂っていた。
An uneasy atmosphere was drifting in the meeting room.
春の訪れとともに花の甘い香りが部屋に漂っている。
The scent of flowers is wafting through the room.
夕暮れの海辺に潮の香りが漂い始めた。
The scent of the tide began to drift along the evening seaside.