热气在镜子上凝结成小水珠。

The steam is ___condensing into tiny droplets on the mirror.

编辑正在将这篇长文章浓缩成更短的版本。

The editor is ___condensing the long article into a shorter version.

寒冷的窗户表面开始凝结出水珠。

Droplets are ___condensing on the cold window surface.