基本解釋n.踏木；踏板；踏踏板v.踩踏板操作同根派生 treadler相關(guān)詞英漢例句用作名詞 (n.)She was working the treadle of her sewing-machine.她正用腳踩動縫紉機(jī)的踏板。treadler更多例句