| 单词 | microfossil |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔conodont〕A Paleozoic microfossil usually having a toothlike shape and considered to be the remains of an extinct marine organism.牙形刺：一种古生代微化石，一般有牙状形体，被认为是一种已灭绝海生生物体的残骸美国传统〔micropaleontology〕The branch of paleontology that deals with microfossils.微体古生物学：研究微体化石的古生物学分支美国传统 |
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