小简介：-在主窗口中，您可以选择功能。

Little introduction:- In main window you can select functionalities.

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在此，小编将四种奇观为大家简介一个。

Here, small series will be the four wonders of the introduction of a.

youdao

在此，小编将四种奇观为大家简介一个。

Here, small series will be the four wonders of the introduction of a.

youdao