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| 71. | "The driving shaft causes the spider to rotate, and the other two trunnions of the spider cause the driven |
| 主动轴使万向节十字轴转动,另外两个万向节十字头使从动轴转动。 |
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| 72. | The flagella rotate, pushing the bacteria through the water. |
| 鞭毛的旋转可以推动细菌在水中行进。 |
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| 73. | Molecules rotate and vibrate by virtue of their heat. |
| 分子因热效应而发生转动和振动。 |
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| 74. | The crankshaft makes three rotations for each rotation of the rotor. |
| 转子每转一周，曲轴转3周。 |
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| 75. | Position socket in lamp and rotate 1/4 turn. |
| 固定插座于灯并将其旋转90度。 |
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| 76. | Peritectic Reaction |
| 转熔作用|转熔反应 |
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| 77. | The doctor asked the patient to rotate his eyes. |
| 医生叫病人旋转眼球。 |
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| 78. | The wheels on the bus go round and round, all through the town. |
| 公共汽车上的轮子转呀转，转遍整个镇子。 |
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| 79. | referring institutio |
| 转介机构；转介院所 |
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| 80. | Position the bulb socket in the lamp and rotate clockwise. |
| 将灯泡灯座置于灯中，并顺时针转动。 |
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