Liquids and gases usually have  two types of motion: a laminar flow, which is stable  and smooth; and a turbulent flow, which is composed  of seemingly unorganized swirls.
액체와 기체는 대게  두 타입의 움직임을 가지고 있는데 안정되고 부드러운 층류와 겉보기엔 제멋대로 도는 것처럼  보이는 난류입니다.