adj.被讨论的；讨论过的
动词discuss的过去式和过去分词.
The problem being discussed is of vital importance. 这个正被讨论的问题极其重要。
All that has been discussed here is between ourselves. 这里所讨论过的事情概勿外传。
This is similar to fluorimetry as previously discussed. 它类似于前面讨论过的荧光测定法。
