同根派生 switchblade knife相關(guān)詞英漢例句用作名詞 (n.)The knife mechanism is essential to any folder.刀具的機械裝置對任何折刀都是必須的。The policmen seized the folding knife that was used by the scoundrels.干警繳獲了歹徒用來行兇的折刀。switchblade knife更多例句