她把一朵栀子花别在头发上，香味弥漫了整个房间。

She pinned a ___gardenia in her hair, filling the room with its sweet fragrance.

她在耳后别了一朵新鲜的栀子花，空气中顿时充满了甜美的芳香。

She tucked a fresh ___gardenia behind her ear, filling the air with its sweet fragrance.