例句與造句

1. The result of two of these little guys scurrying around the room was just hilarious to watch-but ( and this is the ENTIRE problem here ) the system only worked if neither of them went behind the sofa ( killing the light seeking / avoiding behavior ) or if they bumped into something else other than the other robot.
2. It's difficult to find light seeking in a sentence. 用light seeking造句挺難的