短語詞組短語Rachet effect 棘輪效應(yīng)rachet jacks 棘輪千斤頂rachet effects 激勵機(jī)制設(shè)計約束keep up a rachet 方〉∶七嘴八舌地說話Brownian Rachet model 布朗棘輪模型Exalted with Rachet 棘齒崇拜Rachet & Clank 瑞奇與叮當(dāng)steam boat rachet 花籃螺絲 返回 rachet