dilate造句

At night, the pupils dilate to allow in more light.
到了晚上，瞳孔就会扩大以接收更多光线。

The lungs dilate when breathing.
呼吸时肺部扩张.

Specific expenditure includes hardware to upgrade, network management and network dilate.
具体花费包括硬件升级 、 网络管理以及网络扩张.

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