转动

• What is the instantaneous center of revolution ?
  瞬时转动中心在哪里？
• Only the correct key will move bolt .
  只有钥匙对头，才能转动锁眼。
• Nim studied the map, his eyes roving .
  尼姆两眼转动，研究着地图。
• The dancer suddenly made a whirl .
  舞蹈演员突然做了一个急转动作。
• She sat revolving her violet parasol .
  她坐着转动手里的紫色阳伞。
• He adjusted it to run smoothly .
  他调了一下，使之转动得平稳起来。
• The base of the tower is restrained against rotation .
  塔基受到转动约束。
• The new machine is running all right .
  这部新机器转动得很顺利。
• Rotational energy states have the least energy .
  转动能态具有最小的能量。
• The impulse of falling water turns the waterwheel .
  落水的冲力使水轮转动。