例如，100年前的鸟皮如今正在被用来拼接出一个禽流感的记录，因为羽毛中保留毒素的痕迹。

For example, 100-year-old bird skins are being used today to piece together a record of avian flu, as the feathers retain traces of toxins.

youdao

例如，100年前的鸟皮如今正在被用来拼接出一个禽流感的记录，因为羽毛中保留毒素的痕迹。

For example, 100-year-old bird skins are being used today to piece together a record of avian flu, as the feathers retain traces of toxins.

youdao