tertiary period
tert
ˈtɜ:ʃ
tēsh
ia
ry
ri
ri
pe
piə
piē
riod
rɪəd
riēd
British pronunciation
/tˈɜːʃjəɹɪ pˈiəɹɪəd/

英語での「tertiary period」の定義と意味

The Tertiary period
01

第三紀, 第三期

a division of earth's geological time that began about 66 million years ago and lasted until about 2.6 million years ago
example
The Tertiary Period saw the diversification of mammals after the extinction of the dinosaurs.
第三紀は、恐竜の絶滅後に哺乳類の多様化を見た。
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