telescope

• 一种光学仪器，通过透镜或反射镜使远处物体看起来更大、更近，主要用于观察天体或地面远处的物体。

An optical instrument designed to make distant objects appear larger and closer, used primarily for observing celestial bodies or terrestrial objects.

1. Optical instrumentA2formalscientific

   An instrument designed to make distant objects appear nearer and larger, used for observing celestial bodies.

   望远镜

   • He looked at the moon through his telescope.
   • The observatory has a powerful telescope for studying stars.
   • Galileo improved the design of the telescope in the 17th century.

   同义词scopespyglass

2. Radio telescopeB2formalscientific

   A large antenna used to detect radio waves from space.

   射电望远镜

   • The radio telescope detected signals from a distant galaxy.
   • Scientists use radio telescopes to study cosmic phenomena.
   • The array of radio telescopes covers a vast area of the desert.

   同义词dishradio antenna

• 动词，指像望远镜的套筒一样一节节地套叠或滑动收进彼此之中，也指压缩、缩短某物。

A verb meaning to slide or collapse into one another, like the sections of a telescope, or to condense or shorten something.

1. Shorten or compressB2formal

   To make something shorter or more compact, often by sliding or folding parts together.

   伸缩

   • The mechanic telescoped the antenna for storage.
   • The design allows the device to telescope into a smaller size.
   • He telescoped the tripod legs to fit in the bag.

   同义词collapsecompactcompresscondensecontractcrushfoldshortensquash

   反义词elongateexpandextendlengthenstretch

2. Condense in timeC1formal

   To compress events or processes into a shorter period of time.

   压缩时间

   • The director telescoped the entire story into a two-hour film.
   • The training program was telescoped from six months to three.
   • The timeline for the project was telescoped due to the deadline.

   同义词abbreviatecompresscondensecontractshortentruncate

   反义词expandextendlengthenprolong