它的PH值相当的低，可以在4天左右把一颗铁钉溶解掉。
On the Ph scale, it is very acidic and can dissolve a nail in about 4 days.
尽管有许多产品即将上市，但它们却存在诸如半衰期短、免疫原性及溶解性低、被酶水解等弊端。
Althoughmany products will be put on the market, but there exist problems including short circulating half-life, immunogenicity, low solubility, proteolytic degradation and so on.
一个好的溶纤剂能够溶解陈旧或新鲜的血栓，再栓塞率低。
A good thrombolytic drug could dissolve not only old thrombus but also new thrombus, and lower rate of thrombus formed again.
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