shizen rutenyūmudattara
1. If/When natural ruthenium
Noun
1. If/When natural ruthenium
1. if it's the case
1. nature; the natural world
1. nature; Mother Nature
1. natural environment; (the) environment
1. nature park; natural park
1. unnatural; artificial
1. nature
2. natural; spontaneous
3. naturally; spontaneously
1. natural science
1. not be found