yán jiū tuán duì / lì yòng / xiǎn wēi jìng / guān chá / le / gān xì bāo / nèi / guò yǎng wù méi tǐ / de / shù liàng / biàn huà研究团队利用显微镜观察了肝细胞内过氧物酶体的数量变化。The research team used a microscope to observe changes in the number of peroxisomes inside liver cells.