opacity
🇺🇸
/əʊˈpæsəti/
🇬🇧
/əʊˈpæsəti/
how hard it is to see through something
The window's opacity made it hard to see outside.
窗户的不透明度让人很难看到外面。
how difficult it is to understand something
The law's language has a level of opacity that confuses most people.
该法律的措辞存在一定的晦涩性,令大多数人感到困惑。