그 결과, 이들이 새처럼 날아오르지 못하고 높은 곳에서 낮은 곳으로 짧은 거리를 활공만 했으며 그나마도 서툴렀던 것으로 나타났다.
As a result, it was found that they could not soar like a bird but only glid a short distance from a high place to a low place and were still clumsy.