Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
촉매독은 화학 반응에서 촉매의 작용을 방해합니다.chokmaedok-eun hwahak ban-eung-eseo chokmae-ui jak-yong-eul banghae-hamnida.An anticatalyst hinders the action of a catalyst in a chemical reaction.