即便你没有看到衣服上有任何污渍，也有可能渗透的油点将会氧化很明显（有时，油点是永久不褪去的）。因此，切记，知道什么样的衣服是必须清洗后再保存的。
Even if you can't see any stains, it's possible that lingering oil spots will oxidize and become noticeable (and permanent), so keep that in mind when deciding what needs washing.
3％桉叶油和薄荷油对奥沙普秦渗透性的促进作用强于10％丁香油。
The transdermal enhancing effect of 3% eucalyptus oil and 3% menthene was superior to that of 10% clove oil.
在实验室里，该研究使用面巾纸来测试防晒油对深层表皮中的氧化活性粒子的渗透能力。
The research used skin tissue in the laboratory to test the effect of sunscreen penetration on ROS levels in the deep epidermis.
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