- [植物學] base material; bulk material; stroma; substrate; substratum; ground mass; host; matrix
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- Racemization is found with optically active substrate substrates .
- The ovarian follicles are embedded in the stroma of the cortex .
- Many bacteria can thrive upon very simple substrate .
- The rooting medium should be moist, well aerated, and sterile .
- What he was grossed by was a belief in the transformation of human material .