英语语法分析

It seems to me that hardiness is the chief essential for success.

看来坚韧是成功的基本要素。

For instance, some researchers previously looked at introducing the hardiness of weeds into food crops.

例如，一些研究人员先前曾试图将杂草抗寒特性引入粮食作物。

The growth rate and winter hardiness trends are the opposite of those found in the interior population.

这种生长速度和耐寒性变化的趋势是与内地群体发现的情况相反。