study n.研究；学习；学科；书房；(绘画或文学)习作；练习曲；沉思；记忆力…的人；台词记得…的人v.研究；学习；读书；仔细观察；努力
双语例句
The independent association between FL and angiographic CAD was assessed in this case?control study by considering the contribution of their shared risk factors. 通过病例对照研究，考虑脂肪肝和冠状动脉疾病的共同的危险因素，研究两种疾病之间是否存在独立联系。
Now, investigators have conducted a large population-based case-control study to evaluate the relation between PPI use and CAP. 现在，研究者进行一个大样本的病例对照研究来评估两者的相关性。
