a hypotensive drug.

• 降压药

a hypotensive drug.的用法和样例：

例句

1. Clonidine has been used as a central antihypertensive drug long since, but it is beginning to apply to clinical anethesia and analgesia.
   可乐定作为中枢性降压药早为人们所认识，但在临床麻醉镇痛的应用上则起步不久。