echidnovaccine

例句：

1. 1. The echidnovaccine is a rareand valuable species.
   这种稀有且珍贵的物种。
2. 2. Echidnovaccine is a fascinatingcreature that has been studied for decades.
   这种迷人的生物已经研究了几十年。
3. 3. The echidnovaccine is found only ina few areas of the world.
   这种生物仅在世界上的少数地区发现。