Ectasian

词形变化

more Ectasian 比较级 most Ectasian 最高级

释义与例句

adj.
  1. 1.

    Of a geologic period within the Mesoproterozoic era from about 1400 to 1200 million years ago.

    地质
name
  1. 1.

    The Ectasian period.

    地质

词源

From Ancient Greek ἔκτασις (éktasis, “extension”) + -ian.

来源：wiktionary