最佳答案
反义词是bottom，例如：
1.To visit similar websites to this one, click on the links at the bottom of the page.要访问与这个网站类似的网站，点击网页底部的链接。
2.He was found dead at the bottom of a lift shaft.他被发现死在了电梯井的底部。
3.The book I want is right at the bottom.我想要的书就压在底层。