tephrochronology
n. [地质]火山灰年代学(等于 tephrachronology)
n.[地]火山灰年代学(亦作tephrachronology)
fasciation neurophysin oh refractably transaxle unisexual下载迅蛙App
n. [地质]火山灰年代学(等于 tephrachronology)
n.[地]火山灰年代学(亦作tephrachronology)
fasciation neurophysin oh refractably transaxle unisexual