这一层膜对重要区域形成保护密封。
This film ACTS as a protective sealing agent in the vital area.
云和船都被明媚的阳光镶上了一层金色的膜。
The clouds and the boat are set on a golden velum by the sunshine.
剩饭菜都被覆了一层塑料膜。
正常状况下，黄斑部与脉络膜之间，有一层极薄之组织保护著。
Normal circumstances, and macular between the choroid, an extremely thin protection of the organization.
正常状况下，黄斑部与脉络膜之间，有一层极薄之组织保护著。
Normal circumstances, and macular between the choroid, an extremely thin protection of the organization.
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