愈创木脂，愈创树脂...

guaiac的音标：guaiac的英式发音音标为：[ɡjʊə'ɪæk]guaiac的美式发音音标为：[ɡjʊr'ɪæk]...

This produces the bleeding that allows detection through a stool guaiac test.会引起出血,可以通过粪便检查出来....