Liquid water can leach soluble materials from the interface. 液态水能够从界面溶解出可溶性物质。
The skin changes are presumably due to soluble substances in the plasma of the donor that cause an allergic reaction in the patient. 皮肤的变化可能是由献血者血浆中的可溶性物质导致的，它们会在患者体内引起过敏反应。
