日期:
来源:雅诚德英语网
Further evidence for persistent internal rhythms appears when the usual external cycles are shifted—either experimentally or by rapid east-west travel over great distances.
进一步的证据表明,当通常的外部循环被改变时——无论是通过实验还是通过快速的东西方向的长距离移动——就会出现持久的内部节律。