脚下踩的土地又干又硬。

The ground was dry and firm underfoot.

《牛津词典》

赛马场的地面稍偏硬。

The going is good to firm.

《牛津词典》

经过漫长的炎夏这块土地又干又硬。

The land was very dry and hard after the long, hot summer.

《牛津词典》

This is the fact that we occupy a finite volume in space, because they're little hard spheres in this molecule.

这是由气体分子在空间中,占据有限体积造成的,因为事实上它们是硬的小圆球。

麻省理工公开课 - 热力学与动力学课程节选

They evolve to become very dense, hard, pustular lesions, which are filled with what turns out to be tissue debris.

它们逐渐变成粘稠,发硬,产生脓包状的伤痕,而这些粘稠的脓事实上是组织残骸

耶鲁公开课 - 生物医学工程探索课程节选

The stuff that people tend to add sometimes is to keep drawing the 10 Newtons that's acting on that.

有人经常凭空添加的力,总是把这个 10 牛的力硬加在这个物体上

耶鲁公开课 - 基础物理课程节选