ラジオアイソトープじゃありません
rajioaisotōpujārimasen
1. It is not a radioisotope.
Noun
#137938
1. It is not a radioisotope.
1. radio
1. (common) cold; influenza
1. snake
2. serpent; large snake
1. then; well
1. radio-cassette player
1. hedge
1. journal; log