indicates
墙上的记号提醒我们远离这堵墙.
indicate在这里作谓语,后面接了一个宾语从句.
不明白的欢迎再问!请记得采纳,The sign on the wall_____________________________we must stay away from it.The sign on the wall indicates we must stay away from it.indicate是表明、暗示的意思。