每日口說挑戰 為什麼皮膚碰到水會起皺摺呢？

今日挑戰句子

One patient, for example, was a boy who had lost feeling in three of his fingers. The researchers found that when his hands got wet, the fingers that could feel wrinkled as normal, but the ones that were numb remained smooth.

舉例來說，病患其一是個有三根手指失去知覺的男孩。學者們發現當他的手弄濕後，正常的手指會有皺痕，但麻木的那些手指，仍維持平滑狀態。