golden spike

名词 n.
中文释义

英文释义

名词 n.
  1. A geologic marker created by a global event that leads to long lasting global changes recorded in the geologic record that can be used to indicate a change in a geologic time division such as an epoch, age, era.
    — There was a further special problem when looking for a marker or definition of the Precambrian-Cambrian golden spike.

词形变化

golden spikes plural
0 次浏览 数据来源: Wiktionary