词汇与表达：cartilage-collagen-sulfate(sulphate)-chondroitin

cartilage
软骨
The myth that they cannot is perpetuated partly by people trying to sell shark cartilage as a cancer treatment, even though it's been proven to be ineffective.
鲨鱼不会得癌症的谣传挥之不去，一部分原因是有人试图将鲨鱼软骨作为抗癌药物来售卖，尽管事实已证明，鲨鱼软骨对于治疗癌症是无效的。
chondroitin 软骨素

Comics tend to perpetuate the myth that ‘ boys don't cry ’.
连环画往往在延续着“男儿有泪不轻弹”的神话。

collagen
胶原蛋白
The collagen that is included in face creams comes from animal skin.
面霜中的胶原蛋白取自动物皮层。