banana plug
柯林斯词典
1. N a small single-conductor electrical plug having a curved metal spring along its shank forming a clip to hold it in its socket 香蕉插头; 单头电插，以弹片外形似皮剥成四片的香蕉为名[electrical engineering]
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1. N a small single-conductor electrical plug having a curved metal spring along its shank forming a clip to hold it in its socket 香蕉插头; 单头电插，以弹片外形似皮剥成四片的香蕉为名[electrical engineering]