yán / jiū / rén / yuán / yòng / xiǎn / wéi / jìng / guān / chá / xì / bāo / biǎo / miàn / de / táng / è / jié / gòu研究人员用显微镜观察细胞表面的糖萼结构。The researchers used a microscope to observe the glycocalyx structure on the cell surface.