Hub

[hʌb]

解释:

(noun.) the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes.

(noun.) a center of activity or interest or commerce or transportation; a focal point around which events revolve; 'the playground is the hub of parental supervision'; 'the airport is the economic hub of the area'.

编辑:沃尔夫冈--From WordNet

解释:

(n.) The central part, usually cylindrical, of a wheel; the nave. See Illust. of Axle box.

(n.) The hilt of a weapon.

(n.) A rough protuberance or projecting obstruction; as, a hub in the road. [U.S.] See Hubby.

(n.) A goal or mark at which quoits, etc., are cast.

(n.) A hardened, engraved steel punch for impressing a device upon a die, used in coining, etc.

(n.) A screw hob. See Hob, 3.

(n.) A block for scotching a wheel.

手打:兰斯洛特

同义词及近义词：

n. Nave (of a wheel).

编辑:齐克

解释:

n. the projecting nave of a wheel; a projection on a wheel for the insertion of a pin: the hilt of a weapon: a mark at which quoits &c. are cast.—Hub (i.e. centre) of the universe Boston U.S.

手打:萨曼莎