Arid regions cober arid and semiarid areas.

旱区包括干旱区和半干旱区。

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Finally, type the box shut and cober all light leaks with black tape.

最后，把纸箱关闭好，用黑胶布把透光地缝隙都粘合在一起可以。

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Finally, type the box shut and cober all light leaks with black tape.

最后，把纸箱关闭好，用黑胶布把透光地缝隙都粘合在一起可以。

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