Calculus
例子
Calculus is used to find the area under a curve.
微积分用于求曲线下的面积。
02
结石, 石病
a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
语法信息
有生性状态
无生命
形态构成
复合词
可数
singular
not gender specific
复数形式
calculi
03
牙结石
an incrustation that forms on the teeth and gums



























