You are viewing a single comment's thread from:RE: [social-innovator]남성의 정자수가 줄어들고 있다.View the full contextView the direct parentsmartcome (62)in #social-innovator • 7 years ago 독거천사님 감사합니다^-^ 과학을 좋아하진않는데 공부는합니다ㅎㅎ