wrapped in a shroud of obscurity

例句：

1. 1. The package was wrapped in brown paper.
   这个包裹被包在棕色的纸里。
2. 2. The flowers were wrapped in green leaves.
   这些花被绿色的叶子包裹着。
3. 3.The box was wrapped with a red ribbon.
   盒子被一条红丝带包裹着。