Student or Learner
When a bomb goes off, some fragments go to different directions and may hit and injure people.
What do you call these dangerous fragments in English?
The more common spelling is shrapnel.
Until today, I would have said that emsr2d2 was right, and Bob wrong.
We live and learn.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.