一个具有挑战性的远大梦想激励着每个人朝同一方向努力。
A big and challenging dream energizes everyone to work in the same direction.
猛烈的火山爆发的确可以使石英碎裂，但是只会朝同一方向碎裂，可是波霍收集的标本， 碎裂的方向却有好几个。
Powerful eruptions can indeed fracture quartz grains— but only in one direction, not in the multiple directions displayed in Bohor's samples.
侏儒控制着两个盒子间的活动门，仅允许快速移动(热)的分子朝同一方向通过活动门，慢速移动(冷)的分子朝相反方向通过另一扇活动门。
It controlled a trap door between the boxes and allowed only fast-moving (ie, hot) molecules through in one direction and only slow-moving (ie, cold) ones through in the other.
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