aux.o.troph

auxotroph的音标和读音：
DJ音标发音： [ˈɔ:ksətrɔf, -ˌtrouf]
KK音标发音： [ˈɔksətrɑf, -ˌtrof]

auxotroph的词性：
n.（名词）

1. An organism, such as a strain of bacteria, that has lost the ability to synthesize certain substances required for its growth and metabolism as the result of mutational changes.
营养缺陷型：一种有机体，如细菌菌株，因某种突变的结果而失去合成某种生长及代谢所需物质的能力

auxotroph的词源：

2. Back-formation from auxotrophic
源自 auxotrophic的逆构词