93

为什么掰手指会“咔咔”响？到底能不能掰？

 6 years ago
source link: http://tech.sina.com.cn/d/v/2018-05-04/doc-ifzfkmth8656488.shtml
Go to the source link to view the article. You can view the picture content, updated content and better typesetting reading experience. If the link is broken, please click the button below to view the snapshot at that time.
neoserver,ios ssh client
生活中，很多人动不动就喜欢把手指掰得“咔咔”响，尤其是小学生和中学生。在别人的面前把手指头弄出“咔咔”的响声，觉得很酸爽，认为这既是一种技能，还能炫耀。但是，你有没有想过掰手指为什么会发出“咔咔”的声音呢？让人酸爽的掰手指会带来哪些危害呢？

report

Recommend

About Joyk


Aggregate valuable and interesting links.
Joyk means Joy of geeK