a person, thing, or event that provokes or accelerates change or activity by introducing new perspectives or actions
촉매
a large weapon that was used in ancient times to throw stones or other objects with great force
투석기
(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points
정구체
someone who moves from one country to another with the intention of settling there permanently
이민자
to temporarily stitch two pieces of fabric together with long, loose stitches that can later be easily removed
임시 바느질하다
a fortified structure extending from a wall, typically angled, for defensive purposes
바사리온
an individual, often a leader or authority figure, who possesses the power to create laws, particularly not directly elected by the people
입법자
someone who can write or approve a law as a member of a legislative body, usually elected by people
입법자