伐地那非是一种新型高选择性磷酸二酯酶5型抑制剂，它对心血管系统的安全性已被多项临床试验所证实。

Vardenafil, as a novel and highly selective phosphodiesterase 5 inhibitor, has been proved by many clinical trials to be quite safe for the cardiovascular system.

youdao

伐地那非是一种强效、高选择性的5型磷酸二酯酶(PDE5)抑制剂，对PDE5的抑制作用约为西地那非的10倍。

Vardenafil is a potent and highly selective phosphodiesterase type 5 (PDE5) inhibitor with a potency about 10-fold higher than sildenafil.

youdao

伐地那非是一种强效、高选择性的5型磷酸二酯酶(PDE5)抑制剂，对PDE5的抑制作用约为西地那非的10倍。

Vardenafil is a potent and highly selective phosphodiesterase type 5 (PDE5) inhibitor with a potency about 10-fold higher than sildenafil.

youdao