GWD 18－24

jackzhu69

(50)      changes in the tidal cycle.  In short,

the relation between an organism’s

biological clock and its environment

is similar to that between a wristwatch

and its owner:  the owner cannot

(55)      make the watch run faster or slower,

but can reset the hands

在文中５０～５６，提到这种生物的时钟和手表一样，有自己固定的“节拍”，外界的怎样变化可以影响其“行为”的早晚，但是其内在的“节拍”还是不变的。依旧“嘀嗒嘀嗒......”。