The beetle larvae have a distinct chemical make-up, which can be traced through the feathers and blood of birds that eat them.

甲虫幼虫含有独特的化学成分，从猎食它们的鸟类的羽毛和血液中可以找到这种成分的痕迹。

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Neither, in the case of chicken, can one eat feathers, blood, feet or head. In all, only about 44% of the live animal fits to be eaten as meat.

以鸡为例，人不能吃鸡的羽毛、血、脚、头，总之，动物身上只有44%的部分可供人吃。

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Next day the blood-quills had sprouted the tips of feathers.

第四天，他们的血羽上已经长出羽毛尖。

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