详细释义
Noun:
-
last 2 million years
-
the cardinal number that is the sum of three and one
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consisting of or especially arranged in sets of four;
"quaternate leaves"
"a quaternary compound"
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coming next after the third and just before the fifth in position or time or degree or magnitude;
"the quaternary period of geologic time extends from the end of the tertiary period to the present"
双语例句
- The Quaternary sediments are largely undeformed.
第四纪的沉积物大部分未变形。 - Industries based on brainwork or knowledge are called the quaternary industry.
以脑力劳动或知识为基础的产业被称为第四产业。
用作形容词 (adj.)
用法讲解
- quaternary 第四纪的
- quaternary geology 第四纪地质学...
- quaternary system 四元制,四元系,四元...
- quaternary ammonium 季铵
- quaternary code 四进制码
- quaternary alloy 四元易熔合金...
- quaternary diagram 四相图
- quaternary treatment 四级处理
- quaternary structure 四级结构
- quaternary parasite 四重寄生物
- quaternary steel 四元合金钢
- quaternary vein 四级脉
- quaternary signal 四进制信号
- quaternary amine 季胺
相关词汇
- quaternity 四个一组
- foursome 四人的一组
- quartet 四重奏
- IV 自变数(初始速度)(=I...
- Quaternary period 第四纪
- 4th 第四的
- quaternion 四个一组
- fourth 第四
- quadruplet 成套的四件东西...
- tetrad 四位组
- 4 four,四
- quatern 四
- four 四
- quaternate 以四为一组的...
【近义词】
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