Visibility was poor.是什么意思？

Visibility was poor.

能见度很差。

visibility

n. 能见度，可见性，可见距离，清晰度；

例句
Yet Kissinger succeeded in defying an old Washington dictum that you can have in the capital visibility or influence, but not both.
在华盛顿有一条传统格言:要么抛头露面,要么得势弄权, 二者不可兼得. 基辛格却公然蔑视这种传统.

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

poor

adj. 贫穷的，贫乏的，令人怜悯的，可怜的，匮乏的，低劣的；n. the poor 贫困者，穷人；

例句
I suppose the shock had addled his poor old brain.
我估摸这个打击已经把他那可怜的脑袋瓜搞糊涂了。