guanethidine

例句：

1. 1. The patient's blood pressure was elevated, andthe doctor prescribed guanethidine tolower it.
   病人的血压升高了，医生开了去甲肾上腺素来降低它。
2. 2. Guanethidine is a medicationused to treat high blood pressure.
   去甲肾上腺素是一种用来治疗高血压的药物。
3. 3. Duringsurgery, guanethidine is oftenadministered to reduce bleeding.
   在手术中，去甲肾上腺素通常被用来减少出血。