During the Lasik procedure, a thin piece of the cornea is cut and folded back.

在进行激光眼科手术的过程中，眼角膜的一层薄膜被隔开并折叠起来。

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And the retractable reading light is easily accessible with the cover open or folded back.

而可伸缩的阅读灯是方便与盖打开或折叠回来。

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Butterfly class at rest their wings folded up in back is.

蝶类在休息时它们的翅是合拢起来立于背上。

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Butterfly class at rest their wings folded up in back is.

蝶类在休息时它们的翅是合拢起来立于背上。

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