mass deficiency

常见例句

A cloud is a mass of vapor in the sky.
云是天空中的水汽团。
I have a slight calcium deficiency.
我有点缺钙。
The mass rally was a total fiasco.
那次群众集会彻底失败。
Let's collect the sap before its consolidation into a hard mass.
让我们在树液坚固成团之前将之收集起来。
The child has a calcium deficiency.
那孩子缺钙。
After harvest we will have a mass of rice.
秋收后，我们将获得大量稻谷。