cartilaginous fishes

例句：

1. 1. The fish has a cartilaginous skeleton.
   这条鱼有一个软骨骨架。
2. 2. The shark is known for its cartilaginous fins.
   鲨鱼以其软骨鳍而闻名。
3. 3. The turtle's shell is made of cartilage.
   乌龟的壳是由软骨制成的。