1N-UNCOUNT 可见度;能见度;能见距离Visibility means how far or how clearly you can see in particular weather conditions. 可见度;能见度;能见距离
Visibility was poor.
能见度很差。
2N-UNCOUNT 可见性;关注程度;引人注目的程度 If you refer to the visibility of something such as a situation or problem, you mean how much it is seen or noticed by other people. 可见性;关注程度;引人注目的程度