基本解释曲柄廻轉力英汉例句雙語例句By focusing on staying narrow, you'll reduce your surface area, and crank faster with less effort.集中注意力保持夾緊狀態，你會減小表麪積，從而以更少的力氣遊得更快。crank effort更多例句词组短语短語crank effort diagram 曲柄廻轉力圖crank effort更多词组专业释义機械工程曲柄廻轉力