second class fish-plated nut

例句：

1. 1. This second-class fish-shaped nut is not as delicious as the first-class one.
   这个第二类的鱼形坚果不如第一类的好吃。
2. 2. The second-class fish-shaped nut is a popular snack in some parts of China.
   在中国的某些地区，这种第二类的鱼形坚果是一种受欢迎的零食。
3. 3.The second-class fish-shaped nut has been used for thousands of years to treat various ailments.
   这种第二类的鱼形坚果已经被使用数千年了，用来治疗各种疾病。