词汇点睛
else adv.除.……以外;其他
观察
What else do you know?你还知道什么?
Do you want anything else?你还要其他的东西吗?
What other things can you see in the picture?你在图片里还能看到别的什么东西?

拓展 else和other可以进行同义句转换。例如:
What else do you know? =What other things do you know?你还知道别的什么吗?