这种药物能产生镇痛效果，让患者在手术中保持清醒但不会感到疼痛。

The medication provides ___analgesia, allowing the patient to stay conscious without feeling pain during surgery.

这种药物能产生镇痛效果，让患者在清醒状态下减轻疼痛。

This medication produces ___analgesia, allowing patients to feel less pain while remaining conscious.