Keep the core engaged and don't twist the body around.
身体核心区域的肌肉参与用力，身体不得扭屈。
The twist drill may be divided into three principal parts:shank, body and point.
麻花钻也许可以被划分成三个主要的部分：钻柄、钻体和钻尖。
The analgesia effects were investigated by hot plate method and body twist method.
热板法和扭体法分别测定小鼠痛阈值及扭体次数。
The analgesia effects were investigated by hot plate method and body twist method.
热板法和扭体法分别测定小鼠痛阈值及扭体次数。
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