n.止痛药，镇痛剂
adj.止痛的，痛觉缺失的

原形：analgesic复数：analgesics

The doctor prescribed a strong analgesic for my severe headache.
医生为我严重的头痛开了强力止痛药。
She took an over-the-counter analgesic to alleviate her menstrual cramps.
她服用非处方止痛药来缓解经痛。
After surgery, the patient was given a prescription for a long-acting analgesic.
手术后，医生给病人开了长效止痛药。
The painkillers were effective; they provided immediate analgesic relief.
止痛药很有效，立即提供了镇痛效果。
The patient's response to the analgesic was not as expected, requiring further evaluation.
患者对止痛药的反应不如预期，需要进一步评估。
The physiotherapist recommended gentle exercise and an herbal analgesic for my backache.
物理治疗师建议我做轻度运动并使用草本止痛药来缓解背痛。
He applied a cold compress to reduce the swelling and inflammation, which acted as a natural analgesic.
他用冷敷来减少肿胀和炎症，起到了天然的止痛作用。
The researchers investigated various analgesic compounds for their potential in treating chronic pain.
研究人员研究了多种止痛化合物在治疗慢性疼痛方面的潜力。
The patient was advised to take the analgesic with food to minimize any stomach irritation.
医生建议病人饭后服用止痛药以减轻胃部不适。
She chose an acetaminophen-based analgesic for its mild side effects and effectiveness against mild to moderate pain.
她选择了一种乙酰氨基酚为基础的止痛药，因为它副作用小且能有效应对轻至中度疼痛。