It's really impossible to find out which dialogue you're talking about. Anyway I know the dialogue between Suyuan revealed mother-daughter love, conflicts and so on.
Answer:
how are you going to answer
The plural form of the word radius is <em>radii</em>.
I know it sounds weird, but this is correct. Adding <em>-s </em> at the end of the radius would make the word grammatically incorrect. This is because the word radius itself is a Latin word.
- Marlon Nunez
