carbon dioxide laser therapy

例句：

1. 1. This method is used to treat skin conditions such as acne and scars.
   这种方法用于治疗痤疮和疤痕等皮肤问题。
2. 2. Carbon dioxide laser therapy has been shown to improve wound healing in certain conditions.
   研究表明，二氧化碳激光治疗在某些情况下可以改善伤口愈合。
3. 3. In this case, the patient was treated with carbon dioxide laser therapy for their chronic pain.
   在这种情况下，患者接受了二氧化碳激光治疗来缓解他们的慢性疼痛。