Undound
a. 不健全的
🗣️ 情景例句
OK. Keep those knees up.
好 ，膝盖抬高。
Does your friend speak English?
你的朋友说英语吗？
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。