carbon nutrition source

• 碳源

carbon nutrition source的用法和样例：

例句

1. Organisms dependent on an organic carbon source are termed heterotrophs.
   依赖于有机碳源称为异养结性物。
2. Startup of the reactor using cotton and paper as carbon source was fast.
   研究发现以棉花和纸为碳源和反应介质的反应器启动快。