autochthonous bacterium

例句：

1. 1. The autochthonous species is native to the area.
   这种本地物种原产于该地区。
2. 2.The indigenous people have a unique culture that has been passed down through generations.
   土著人民拥有一种独特的文化，这种文化已经通过几代人传承下来。
3. 3. The autochthonous plant was discovered by scientists who were studying the local flora.
   科学家在研究当地植物时发现了这种本土植物。