quaternary
名词复数: quaternaries
quaternary基本解释
adj.第四纪的；四的；四进制的
n.四；四进制；第四纪
quaternary同义词
quaternary相关例句
quaternary英英释义
"quaternate leaves"
"a quaternary compound"
"the quaternary period of geologic time extends from the end of the tertiary period to the present"
