heterotrophs（异养生物）是什么意思？音标发音+图解场景

异养生物 /ˈhɛtɹətɹˌɒfz/ n

English: heterotrophs · 异养生物

释义：Organisms that feed on organic matter that is already broken down, since they are unable to feed on mineral compounds.

这个词出现在以下图解场景（1）