v. unroll, unfold, or spread out or be unrolled, unfolded, or spread out from a furled state
vt. 展开, 展示, 公开, 使临风招展
vi. 打开, 展开, 显露
1. The sailor will unfurl the flag when the ship sets sail.
当船只启航时，水手将展开旗帜。
2. She decided to unfurl the map to find the best route.
她决定展开地图以找到最佳路线。
3. As the sun rose, the flowers began to unfurl their petals.
随着太阳升起，花朵开始展开花瓣。