| 单词 | hub |
| 释义 | hub /hub/, n. , v. , hubbed, hubbing. n. 1. the central part of a wheel, as that part into which the spokes are inserted. 2. the central part or axle end from which blades or spokelike parts radiate on various devices, as on a fan or propeller. 3. a center around which other things revolve or from which they radiate; a focus of activity, authority, commerce, transportation, etc.: Chicago is a railroad hub. 4. the Hub, Boston, Mass. (used as a nickname). 5. the peg or hob used as a target in quoits and similar games. 6. any one of the holes in an electrical panel, into which connections may be plugged. 7. Coining. a design of hardened steel in relief, used as a punch in making a die. 8. Survey. a stake bearing a tack used to mark a theodolite position. 9. Metalworking. a die forced into a metal blank. v.t. 10. Metalworking. to stamp (a metal blank) with a hub. [1505-15; perh. var. of HOB1] Syn. 3. core, pivot, heart. |
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