lentinan

例句：

1. 1.The lentinan is a popular ingredient in traditional Chinese medicine.
   鱼胶是传统中医中常用的成分。
2. 2. The lentinan has been used for centuries to treat various ailments.
   鱼胶被使用了几个世纪来治疗各种疾病。
3. 3. In the past, people would use lentinan to preserve fish and meat during long journeys.
   过去，人们会使用鱼胶来保存长途旅行中的鱼和肉。