sildenafil的造句（例句）：
1、Does sildenafil cause myocardial infarction or sudden cardiac death?
* 会引起心肌梗死或心源性猝死吗？
2、He said sildenafil worked at least as well as melatonin, a jet-lag treatment.
他还认为昔多芬的作用至少和目前用于治疗时差综合症的退黑激素的作用类似。
3、Objective To explore the effect of sildenafil on the hemodynamics in migrants at high altitude.
目的探讨西地那非对高原移居青年血流动力学的影响。
