telescope指的是单筒望远镜,如Hubble Space Telescope 哈勃天文望远镜.
n.An arrangement of lenses or mirrors or both that gathers visible light,permitting direct observation or photographic recording of distant objects.
binoculars指的是双筒望远镜
n.An optical device,such as a pair of field glasses or opera glasses,designed for simultaneous use by both eyes and consisting of two small telescopes joined with a single focusing device.Often used in the plural.