プロトアクチニウムなら
purotoakuchinyūmunara
1. if/when protactinium; when protactinium exists
Noun
#285255
1. if/when protactinium; when protactinium exists
1. protactinium (Pa)
1. Of protactinium; Relating to protactinium
1. Not protactinium.
1. Protactinium.; It is.
1. It is not protactinium.
1. Was protactinium.
1. if protactinium; when protactinium
1. Wasn't protactinium.
1. Protactinium, probably.; It will likely be protactinium.