cross-buttock

例句：

1. 1. She crossed her arms over her chest to protect herself from the cold wind.
   她交叉双臂护住胸口，抵御寒风。
2. 2. The man was lying on his cross-buttock, enjoying the sun's warmth.
   那男人躺在胯部，享受着阳光的温暖。
3. 3. During the race, she crossed her legs and leaned back against the wall for support.
   比赛中，她交叉双腿靠在墙上以获得支撑。