Sprag

[spræg]

解释:

(noun.) a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline.

乔琳整理--From WordNet

解释:

(n.) A young salmon.

(n.) A billet of wood; a piece of timber used as a prop.

(v. t.) To check the motion of, as a carriage on a steep grade, by putting a sprag between the spokes of the wheel.

(v. t.) To prop or sustain with a sprag.

(a.) See Sprack, a.

手打:撒迪厄斯

解释:

n. (prov.) a young salmon.

n. a piece of wood used to lock a wheel: a punch-prop in mining.—v.t. to prop or to stop by a sprag.

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