奧陶紀

See also: 奥陶纪

Chinese

		the Ordovician	period
trad. (奧陶紀)		奧陶	紀
simp. (奥陶纪)		奥陶	纪

Pronunciation

Mandarin
(Pinyin): Àotáo Jì

(Zhuyin): ㄠˋ ㄊㄠˊ ㄐㄧˋ
Cantonese (Jyutping): ou³ tou⁴ gei³

Mandarin
- (Standard Chinese)⁺
  - Hanyu Pinyin: Àotáo Jì
  - Zhuyin: ㄠˋ ㄊㄠˊ ㄐㄧˋ
  - Tongyong Pinyin: Àotáo Jì
  - Wade–Giles: Ao⁴-tʻao² Chi⁴
  - Yale: Àu-táu Jì
  - Gwoyeu Romatzyh: Awtaur Jih
  - Palladius: Аотао Цзи (Aotao Czi)
  - Sinological IPA ^(key): /ˀɑʊ̯⁵¹ tʰɑʊ̯³⁵ t͡ɕi⁵¹/
Cantonese
- (Standard Cantonese, Guangzhou–Hong Kong)⁺
  - Jyutping: ou³ tou⁴ gei³
  - Yale: ou tòuh gei
  - Cantonese Pinyin: ou³ tou⁴ gei³
  - Guangdong Romanization: ou³ tou⁴ géi³
  - Sinological IPA ^(key): /ou̯³³ tʰou̯²¹ kei̯³³/

Proper noun

奧陶紀

(geology) the Ordovician period (part of the Paleozoic era, spanning from 485.4 to 443.4 million years ago)

See also

寒武紀／寒武纪 (Hánwǔ Jì)
志留紀／志留纪 (Zhìliú Jì)
古生代 (Gǔshēng Dài)

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