硅凝胶表有时被用来设法减低能见度的伤疤，由平坦和软化他们。

Silicon gel sheets are sometimes used to try to reduce the visibility of scars, by flattening and softening them.

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由于大雾，能见度遽烈的减低。

Because of the fog, visibility was drastically reduced.

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由于大雾，能见度遽烈的减低。

Because of the fog, visibility was drastically reduced.

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