英语语法分析

This February is intercalary month .

今年的二月是个闰月。

Feb. 29 is an intercalary day; leap year is an intercalary year.

2月29日是闰日；闰年是有添加日的年份。

The genetic parameters of intercalary lengths of sorghum are changed regularly.

高粱茎秆节间长度的遗传参数呈现有规律的变化。