The knees, especially the hollow at the back are particularly sensitive as are the armpits and the spine.

膝盖，特别是后面的凹陷处特别敏感，腋窝和脊骨也一样。

youdao

The knees, especially the hollow at the back are particularly sensitive as are the armpits and the spine.

膝盖，特别是后面的凹陷处特别敏感，腋窝和脊骨也一样。

youdao