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	bistro bistroiccer bistroiccest bistroicer bistroicest bistros bisulcate bisulfate bisulfates bisulfide bisulfides bisulfite bisulfite of lime bisulfites bisulphate bisulphide bisulphite bisutun bisyllabic bisynchronous bit bit (at) bit (on) bit at bit back

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