单词	backchain
释义	backchain noun : a chain attached to each side of a rudder and to a point under the counter to support the rudder in backing Word History First Known Use circa 1889, in the meaning defined above
随便看	sight singing sight tree sight unseen sight-feed sight-read sight-reading sight-shot sight-singing sighted sightedness sightednesses sighter sighters sighting sighting angle sighting hood sighting shot sightings sightless sightlessly sightlessness sightlessnesses sightlier sightliest sightlines

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