当句子是疑问句时，用来代替句号。

Takes the place of a full stop when the sentence is a question.

你能回答这个疑问句吗？

Can you answer this question?

你能重复一下那个疑问句吗？

Can you repeat that question?

这个疑问句很难理解。

This question is hard to understand.

她问了一个有趣的疑问句。

She asked an interesting question.

这个疑问句没有明确的答案。

There is no clear answer to this question.

我们用助动词来形成疑问句。

We use an auxiliary verb to form questions.

英语中，疑问句常常需要倒装。

In English, questions often require inversion.

一个好的特殊疑问句可以引导出有意义的对话。

A good wh-question can lead to a meaningful conversation.

孩子们在发展语言技能时学会问特殊疑问句。

Children learn to ask wh-question as they develop language skills.