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n.连接( coupling的名词复数 )；连接器；（尤指列车等的）车钩；挂钩 英英释义： couplingn.a connection (like a clamp or vise) between two things so they move together同义词：yokea mechanical device that serves to connect the ends of adjacent objects同义词：couplerthe act of pairing a male and fem
