bó / wù / guǎn / lǐ / zhǎn / chū / le / yí / kuài / bǎo / cún / wán / hǎo / de / sān / yè / chóng / huà / shí博物馆里展出了一块保存完好的三叶虫化石。The museum displayed a well-preserved trilobite fossil.