free nitrogen fixation
相关英语词汇推荐
- pseudomonas aeruginosa
- terrestrial pollution
- cold water species
- blocks world
- Sphingomyelin
- conserved domain
- siliceous sponges
- heterogeneous nuclear rna
- tapetum
- testa
- oral pole
- paranasal sinus
- flagellated chamber
- capsomer,capsomere
- protopod larva
- urethral gland
- BU (region)
- meiolecithal egg，microlectithal egg,oligolecthal egg
- granulated gel
- Ligia exotica