Why this should be so we do not know; nor why the later tertiary periods should have been much more favourable for their existence than the present time.
数量之多无可比拟。 为什么会这样我们不知道; 也不知道为什么后来的第三纪时期应该比现在更有利于它们的存在。
单词 | tertiary period | |||||||
释义 |
tertiary period
英汉-汉英词典
[地质]第三纪
词组 | 习惯用语
您要查找的是不是:Early Tertiary Period 早第三纪 tertiary period basalt 第三纪玄武岩 the tertiary period 第三纪 late tertiary period 晚第三纪 upper tertiary period soft rock 上第三系软岩 tertiary period 第三纪
英语例句库
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原声例句
物种起源 Why this should be so we do not know; nor why the later tertiary periods should have been much more favourable for their existence than the present time. 数量之多无可比拟。 为什么会这样我们不知道; 也不知道为什么后来的第三纪时期应该比现在更有利于它们的存在。
中文百科
第三纪 Tertiary(重定向自Tertiary Period)
第三纪(英语:Tertiary Period),是古近纪及新近纪的旧称。国际地层委员会(International Commission on Stratigraphy)已不再承认第三纪是正式的地质年代名称,并拆分为古近纪与新近纪两个时期。 在过去,古近纪和新近纪也曾分别被叫做早第三纪和晚第三纪。
英语百科
Tertiary 第三纪(重定向自Tertiary Period)
Events of the Cenozoic view • discuss • -70 — – -60 — – -50 — – -40 — – -30 — – -20 — – -10 — – 0 — Phanerozoic An approximate timescale of key Cenozoic events. Axis scale: Ma before present. Tertiary is the former term for the geologic period from 66 million to 2.58 million years ago, a time span that lies between the superseded Secondary period and the Quaternary. The Tertiary is no longer recognized as a formal unit by the International Commission on Stratigraphy, but the word is still widely used. The traditional span of the Tertiary has been divided between the Paleogene and Neogene Periods and extends to the first stage of the Pleistocene Epoch, the Gelasian age.
近义、反义、联想词
近义词n.period, geological period
英英词典
tertiary period n.
synonymous: Tertiary |
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