大腿

例句：

1. 1.She stretched her arms out to touch the sky.
   她伸展双臂，试图触摸天空。
2. 2.The man was sitting on his desk, legs crossed.
   那男人坐在他的办公桌前，双腿交叉。
3. 3. He squatted down and reached for a juicy watermelon.
   他蹲下身子，伸手去拿一个多汁的西瓜。