Opacifying
v. 使…变得不透明( opacify的现在分词 )
🗣️ 情景例句
I'm sorry, I spoke out of turn.
对不起，我说错话了。
I can't say…
有口难言。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。