short本身就是名词,(n. 短;缺乏;短路;短裤),

另外一个名词形式

shortness英 [tns] 美 [rtns]

n.不足;短小

It takes two department heads to treat shortness of breath?

要两个部门的头头来治疗呼吸短促？

Many people have a rather acute sense of the shortness of each lifetime.

许多美国人对一生时间的短促相当敏感。

The shortness of data length is a great superiority of state-space model.

此外，数据长度较短也是状态空间模型的一大优势。