cold pack

例句：

1. 1.I put a cold pack on my neck to relieve the pain.
   我给脖子放了一个冷包来缓解疼痛。
2. 2.She used a cold pack to treat her sore muscles after a long day at work.
   她用一个冷包治疗了她在工作了一整天后感到酸痛的肌肉。
3. 3.The cold pack helped reduce inflammation and swelling in her injured arm.
   那个冷包帮助减轻了她受伤手臂的炎症和肿胀。