acromacria

例句：

1. 1.The acromacria is a rare and valuable species of bird.
   这种鸟类是一种稀有且珍贵的物种。
2. 2. The acromacria has been extinct for over 500 million years.
   这种鸟类已经灭绝了超过5亿年。
3. 3.The acromacria was discovered by a team of scientists in the Amazon rainforest.
   这种鸟类是由一支科学家团队在亚马逊雨林中发现的。