K/T boundary
- short for
C RETACEOUS-TERTIARY BOUNDARY.
词源
late 20th cent.: K/T, from the symbols for Cretaceous and Tertiary.
| 单词 | K/T boundary |
| 释义 | K/T boundary
词源 late 20th cent.: K/T, from the symbols for Cretaceous and Tertiary. |
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