haikeihōshadattara
1. If/when the background radiation…; If background radiation were…
Noun
#297942
1. If/when the background radiation…; If background radiation were…
1. if it's the case
1. radiation
1. radioactivity
1. radioactive
1. radiation; emission
1. Dear (so and so); Dear Sir
1. background; scenery
2. background (of an incident, situation, etc.); circumstances
3. backing; support (from behind the scenes)
1. not be found