Declassifying
v. 对（机密文件等）销密( declassify的现在分词 )
🗣️ 情景例句
Marriage between homesexuals is a controversial topic today.
同性恋者之间的婚姻如今是个具有争议的话题。
Soon learnt,soon forgotten.
学得快，忘得快。
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。