It's a notebook computer.

这是笔记本电脑。

I'd like a notebook computer.

我想要一个笔记本电脑。

What's the notebook computer?

笔记本电脑是什么东西？

Does my notebook computer need to be declared?

我的手提电脑需要申报吗？

B: You mean the notebook computer or the real notebook.

B：你是说笔记本电脑还是真的笔记本？