Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
以对树木的年轮和被称为纹泥的季节性沉积物进行计数来确定其绝对年龄。
Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
以对树木的年轮和被称为纹泥的季节性沉积物进行计数来确定其绝对年龄。
声:以上例
、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容
表本软件的观点;若发现问题,欢迎向我们指正。