ropivacaine

例句：

1. 1.The patient was given a local anesthetic to numb the injection site.
   患者接受了局部麻醉，以麻木注射部位。
2. 2. The doctor explained that ropivacaine is a type of anesthetic used for pain relief during surgery.
   医生解释说，罗哌卡因是一种用于手术期间缓解疼痛的麻醉剂。
3. 3. The patient experienced discomfort after receiving ropivacaine injections.
   患者在接受罗哌卡因注射后感到不适。