(n.) A refracting telescope, in which the image to be viewed
is formed by the refraction of light in passing through a convex lens.
康妮手打
双语例句
The Yerkes telescope at Williams Bay, Wisconsin, has a refractor of forty inches, and the one built for the Paris Exposition of 1900, one of fifty inches. 鲁伯特·萨金特·荷兰.历史性发明.