yán / jiū / rén / yuán / zài / yě / shēng / dòng / wù / shēn / shàng / cǎi / jí / kè / zǎo / jìn / xíng / jiǎn / cè

研究人员在野生动物身上采集客蚤进行检测。

Researchers collected fleas from wild animals for testing.