shizen sentakudesu
1. Natural selection.
Noun
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1. Natural selection.
1. nature; the natural world
1. nature; Mother Nature
1. natural environment; (the) environment
1. choice; selection
1. nature park; natural park
1. washing; laundry
2. relaxation; rejuvenation
1. unnatural; artificial
1. elective subject or course
1. laundry; the washing