医生在手术前给病人注射了氯胺酮以减轻疼痛。

The doctor administered ___ketamine to the patient before surgery to relieve pain.

警方在夜店检查中查获了数瓶氯胺酮。

Authorities confiscated several vials of ___ketamine during a nightclub inspection.

医生建议对难治性抑郁症患者使用氯胺酮治疗。

The doctor recommended ___ketamine treatment for patients with treatment-resistant depression.