Take that first step in a direction of your own choosing, then with each bold statement, each strong stride, each clear-thinking choice let momentum joyously lift you higher and farther.

在你自己选择的方向，走出第一步，然后伴随着每一个强化的表达、每一个加强的步伐、每一个清晰思考的选择，让动力愉快地给你带向更高更远的地方。

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Light's new trick is fancier than a boring push: It created the more complicated force called lift, evident when a flow in one direction moves an object perpendicularly.

但是光的新特性比单纯的推力要高级：光能产生这种更复杂的作用力-提拉力，很显著的例子是一个方向的光通量可以使物体垂直移动。

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Like an airplane wing, it provides lift, although largely in a horizontal direction. And like an airplane wing, the slots between the main elements and the flaps add to the lifting power.

像机翼一样，它提供了升力(不过是水平方向的升力)，主部件之间的凹槽和襟翼也提高了升力。

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This adjusted the airflow to the insect's wings, in turn adjusting the direction of the lift and thrust that the wings produced.

BBC: Footage reveals how insects use their bodies to hover

Many are wondering whether a new pontiff will choose to lead the church in a different direction -- and can lift it out of the mire of scandal that has bogged down this pope's time in office.

CNN: Benedict XVI quits Vatican City for last time as pope

As Benedict closes the door behind him, many are wondering whether a new pontiff will choose to lead the church in a different direction -- and can lift it out of the mire of scandal that has bogged down this pope's time in office.

CNN: February 28, 2013 -- Updated 1105 GMT (1905 HKT)