broadens , broadening , broadened
When something broadens, it becomes wider.
widen
narrow
The trails broadened into roads.
小径变宽成大路了。
When you broaden something such as your experience or popularity, or when it broadens, the number of things or people that it includes becomes greater.
We must broaden our appeal.
我们必须扩大我们的吸引力。
I thought you wanted to broaden your horizons.
我以为你想拓宽自己的视野。
The political spectrum has broadened.
政治范围扩大了。