adj.小心谨慎的；细心的；严谨的
However, without the most scrupulous cleanliness, this practice can, in some cases, lead to an infection with hepatitis and other sexually transmitted diseases. 不过，如果没有小心谨慎的清洁，这种习惯在一些情形下可能导致肝炎和其它性传播疾病的感染。
