普三
双语例句原声例句
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开普勒第三定律，也即调和定律，清楚地表明了行星公转周期与其离日距离之间的关系。
The third one, the law of periods, allows us to establish a clear relationship between a planet's orbital period and its distance from the sun.
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星期三，23岁的菲尔普斯将在200米蝶泳和800米自由泳接力的决赛中为再夺2金而拼搏。
Michael Phelps, 23, goes for two more gold MEDALS, Wednesday, when he swims in the finals of the 200-meter butterfly and 800-meter freestyle relay.
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开普勒号将在轨道上运行三年半，等待着观测这十万行星光线的每一丝微乎其微的变化——那也许就是有行星从恒星前经过的信号。
Kepler will watch them all for three-and-a-half years and wait for the light from any of them to dim ever so slightly. That could be the sign of a planet passing in front of its sun.
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The Pashtun people are one-thirds of Afganastan and two-thirds of Parkistan.
普什图人是由三分之一阿富汗人和三分之二的巴基斯坦组成的。
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