同根派生 英汉例句A culture of typhoid bacilli,used to test for the presence of typhoid fever.伤寒素伤寒病菌的培养，用来测试伤寒的存在。My mother came down with typhoid fever and spent the entire trip's infirmary.我的母亲染上了伤寒，整旅程中都躺在船上的医疗室。