范·奥斯坦称那些化学物质为“防晒霜”，用来防止更严重的光损伤，并帮助重建受损的聚合物纤维。

Van Oosten calls those chemicals "sunscreens" because their goal was to prevent further light damage and rebuild worn polymer fibers.

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这意味着多年来提高公众认识碘盐防止婴儿脑损伤的努力起效了。

It meant that the years spent trying to raise public awareness that iodized salt prevents brain damage in infants were working.

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另外，采取简单的步骤可以防止进一步的损伤。

In addition, take simple steps to prevent further damage.

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