例句
But what we don't know is why they become susceptible to this host of pathogens, viruses and fungus.
但是我们没有弄明白的是为什么蜜蜂们会对这些病原菌，病毒和真菌这么敏感。
It can be derived from plants, animals or other categories such as fungus or fermented products like alcohol.
它的来源来自植物、动物或者其他物质，例如真菌类或者像酒等发酵产品。