pain reliever
noun [ C ] mainly US uk/ˈpeɪn rɪˌliː.vər/ us/ˈpeɪn rɪˌliː.vɚ/ (also painkiller)
（尤指）缓解疼痛的药物，止疼药
something, especially a drug, cream, etc., that reduces or gets rid of pain
Take pain relievers like aspirin and get lots of rest. 服用阿司匹林等止痛药并多加休息。
Topical pain relievers are applied to the skin to help relieve muscle and joint pain. 局部止痛药膏涂抹于皮肤之上，帮助缓解肌肉和关节疼痛。
- More examples
- Severe pain may not cease with pain relievers.
- Talk to your doctor before taking any pain relievers.
- Endorphins are the body's natural pain relievers.