polyauxotroph

例句：

1. 1. Polyauxotrophs are often found in environments with high levels of nutrients.
   多营养缺陷型生物通常存在于养分水平较高的环境中。
2. 2. The polyauxotrophic bacteria can use a variety of organic compounds as nutrients.
   这种多营养缺陷细菌可以使用多种有机化合物作为养分。
3. 3. Polyauxotrophs have been used in biotechnology for their ability to grow on complex substrates.
   多营养缺陷型生物在生物技术中被利用，因为它们能在复杂的基质上生长。