释义 |
index fossil 【地质学、化石学】标准化石[亦称作 guide fossi] 以上来源于:《21世纪大英汉词典》 index fossiln.【地质】标准化石详细释义源自:《新世纪英汉大词典》Collins外研社 n.标准化石【地质学】英英释义n.a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is foundind |