易混淆的单词： Rotators

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We have had a mechanic look it over . He reports that the rotators appear to have been cracked before the machine was installed .

我们请一位机械师给检查了一下，他报告说，其转轴似乎在该机器组装之前已有裂缝。

Lead as impurity in rig ( rare earth iron garnet ) faraday rotators used for fiber optic communications systems .

于光纤通讯系统稀土铁石榴石法拉第旋转器中作为杂质的铅。

The following muscle groups may need to be stretched : low back extensors , lumbar rotators , lumbar lateral flexors , hip adductors , hip abductors , hip rotators , hip flexors and hamstrings .

下列肌肉群可能需要牵拉：伸腰肌、旋转腰肌、侧屈腰肌、髋外展肌、髋内收肌、髌旋转肌、屈髋肌和大腿后群肌等。