yán / jiū / rén / yuán / zài / xiǎn / wēi / jìng / xià / guān / chá / hǎi / kuí / chù / shǒu / shàng / de / cì / sī / náng研究人员在显微镜下观察海葵触手上的刺丝囊。Researchers observed the nematocysts on anemone tentacles under a microscope.