地板不平。

The floor isn't ___level.

拍照前确保相机是水平的。

Make sure the camera is ___level before you take the picture.

在我把它固定在墙上之前，你能看一下告诉我这个架子是否水平吗？

Before I attach it to the wall, would you take a look and tell me if this shelf is ___level?