calculus 'kælkjulәs
释义
n. 结石;微积分学
英文释义
n. a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
n. the branch of mathematics that is concerned with limits and with the differentiation and integration of functions
BNC词频排名: 20,863 | 当代语料库词频排名: 12,738