mass deficiency
英汉例句
- 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。