但是这项新研究增添了更多的证据证明很多种塑料制品在海水中降解到肉眼不可见的小颗粒。

But this new work adds to a growing body of evidence that many kinds of plastics break down in seawater into pieces too small to see.

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这些小凹坑增添了金刚石颗粒的外表系数，成果使石墨化的速度加速。

These small pits cause an increase of the specific surface of diamond particles, which results in an acceleration of graphitization.

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