A scientific study was recently done in England to determine whether or not people can tickle themselves.
A scientific study was recently done in England to determine whether or not people can tickle themselves.
我们只会在察觉受到侵犯或攻击时才会觉得痒。
A scientific study was recently done in England to determine whether or not people can tickle themselves.
我们只会在察觉受到侵犯或攻击时才会觉得痒。