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单词 autotroph
释义 autotroph
 —autotrophic,  adj.  
 /aw"teuh trof', -trohf'/, n. Biol.
 any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists. Cf. heterotroph.
 [1935-40; back formation from autotrophic; see AUTO-1, TROPHIC]
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