腿窝

例句：

1. 1. He sat on the chair, his legs tucked up under him.
   他坐在椅子上，把腿蜷缩起来。
2. 2. The old lady sat in her wheelchair, her legs hanging out.
   老妇人坐在轮椅上，腿垂在外面。
3. 3. She lay on the grass, her legs dangling over the edge of the bed.
   她躺在草地上，腿悬在床沿外。