A hollow cylinder of glass, rubber, metal, or other material.

管；筒(玻璃、橡皮、金属等所制者)。

An underground passage for a railway; a subway; also, the underground railway.

【口】地下铁路之隧道；地下铁路；又指隧道铁路。

A sealed glass vessel containing a more or less perfect vacuum and usu. provided with one or more electrodes; used for studying the electrical discharge in gases, for producing X rays., in radio, etc.

真空管(=vacuum tube; electron tube)。

Collapsible cylinder of thin metal or plastic, with a cap at one end, from which semifluid substances may be squeezed out as needed.

可挤压之管筒(如牙膏)。

Any tube-like vessel or part.

【解】管状器官。

Inner tube.

里管。

Television.

【口】电视。

To put into, or furnish with, a cylinder or tunnel.

纳诸管内；装以管。