Was the luna landing module just gonna sink several feet into luna dust?

月球着陆舱会沉入月球尘埃几英尺吗？

So when the landing module touched down, the only way they realize they're on the surface is when the contact light came on.

所以当着陆舱着陆时，他们意识到自己在表面的唯一方法是当接触灯亮起来的时候。