double grip的用法和樣例：
例句
- The questionnaire also asked questions in regards to their ability to grip objects and maneuver out of a chair.
問卷還提出了與他們抓握物體和離開座椅時的身體控制能力有關的問題。 - Another example that underscores the difference between climbing and training for climbing is the way in which you grip the rock.
另外一個能揭示攀岩和訓練有所區別的例子在於你抓握岩石的方式。
