cardboards
中文翻译
(cardboard 的复数) n. 薄纸板
[化] 咭纸; 特等纸板; 卡纸板; 卡片纸板
英文解释
plural of cardboard
n. a stiff moderately thick paper
s. without substance
词态变化
原型:cardboard
变形:s
常见例句
1
An instrument for facilitating the practical use of spherics in navigation and astronomy, being constructed of two cardboards containing various circles, and turning upon each other in such a manner that any possible spherical triangle may be readily found, and the measures of the parts read off by inspection.