Liquid water can leach soluble materials from the interface. 液態水能夠從界面溶解出可溶性物質。
The skin changes are presumably due to soluble substances in the plasma of the donor that cause an allergic reaction in the patient. 皮膚的變化可能是由獻血者血漿中的可溶性物質導致的,它們會在患者體內引起過敏反應。