词源是analog是+后缀ous,中文意思是adj. 相似的,类似的;(器官)同功的
例如
Sleep has often been thought of as being in some way analogous to death.人们常常认为睡眠在某种意义上来说类似死亡。
The solar system also has two analogous classes of objects, smaller than planets—namely, asteroids and comets.太阳系也有两类类似的物体,比行星还小——即小行星和彗星。