detector of channel and acupuncture point

例句：

1. 1. The riveris the main channel of transportation in the city.
   这条河流是城市的主要交通通道。
2. 2.The scientist used a channel to study the flow of water.
   科学家使用一个通道来研究水流。
3. 3. The company uses channels to reach its target audience.
   该公司使用渠道来达到其目标受众。
4. 1. Acupuncture has been shown to reduce pain and improve health.
   研究表明，针灸可以减轻疼痛并改善健康。
5. 2. Herbal remedies are often used as an alternative to acupuncture.
   草药疗法常常被用作针灸的替代方法。
6. 3. In traditional Chinese medicine, acupuncture is considered a form of therapy for chronic pain.
   在传统中医中，针刺被认为是治疗慢性疼痛的一种形式。