exerciser的用法和樣例：
詞匯搭配
- spring suspension exerciser 彈簧懸掛訓練器...
- elbow joint exerciser 肘關(guān)節訓練器...
- leg exerciser 腿訓練器, 腿部訓練...
- knee joint flexion and extension exerciser 膝關(guān)節彎曲伸長(cháng)訓練器...
- exerciser for wheeling shoulder-joint 肩關(guān)節旋轉訓練器...
- exerciser for turning wrist 腕關(guān)節旋轉訓練器...
- memory exerciser 存儲演算器
- grip exerciser 握力訓練器
