painkiller

例句：

1. 1. She took aspirin as a painkiller for her headache.
   她服用阿司匹林作为止痛药来缓解头痛。
2. 2. The doctor gave him an over-the-counter painkiller to relieve his pain.
   医生给了他一种非处方的止痛药来缓解他的疼痛。
3. 3. I need to take some ibuprofen to manage my chronic pain.
   我需要服用一些布洛芬来管理我的慢性疼痛。