单词	spanner
释义	span·ner \ˈspanə(r), -paan-\ noun (-s) Etymology: from obsolete English, instrument for winding the spring of a wheel lock, from German, from spannen to stretch (from Old High German spannan) + -er — more at span 1. : a contrivance in some of the earlier steam engines for moving the valves 2.  a. chiefly Britain : wrench  b. : a wrench that has a jaw or socket to fit a nut or head of a bolt, a pipe, or hose coupling; especially : one having a tooth or one or more pins in its jaw to fit a hole or slot in an object 3. : a horizontal cross brace or collar beam 4. : a pendulum attachment for an ordinary sextant providing an artificial horizon for use when the sea horizon is obscured 5. : an embroidery-machine worker who adjusts fabric and frames [spanner 2]
随便看	guaranteed value guaranteed wage guarantor guaranty guaranty guaraní guaras guarauno guarayo guarayu guarayú guarañoca guard guard guardage guardant guard boat guard book guard brush guard cartridge guard cell guard chamber guard circle guarded guardedly

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