放射 ほうしゃ性 せい指示 しじ薬 やく

hōsha seishi jiyaku

1. Not a radioactive tracer.

1. Was a radioactive tracer.

1. With radioactive tracers; Using radioactive tracers

1. Radioactive tracer; Radiotracer

1. It is not a radioactive tracer.

1. It's not a radiotracer.; It isn't a radiotracer.

1. Was a radioactive tracer.

1. Radioactive tracer; Radiopharmaceutical

1. Is not a radioactive tracer.; Is not a radiotracer.

1. Was not a radioactive tracer.; Wasn't a radiotracer.

1. Probably a radioactive tracer.

1. Was not a radioactive tracer.; Was not a radiopharmaceutical.

1. Wasn't a radiotracer.; Wasn't a radioactive indicator.

1. Probably a radioactive tracer.

1. Was not a radioactive tracer.; Was not a radiopharmaceutical.

1. If it were a radioactive tracer; If it was a radioactive tracer

1. If it is a radioactive tracer; When it is a radioactive tracer

1. If/when a radioactive tracer; If there is a radioactive tracer