Another cloud moved in to mix with it, and the dragon changed into a dancing elephant.
另一朵云飘了过来，和它混合在一起，龙变成了一只跳舞的大象。
The scientists have analysed the comets in the Oort cloud and deduced that 25 per-cent of them would need a nudge by a body of at least Jupiter size before they changed orbit.
科学家已经分析了奥特云中的彗星，并得出推论称，其中25%的彗星在它们改变运行轨道前，需要至少木星大小的星体提供推动力。
In the presence of a magnetic field, the atoms' orientation changed in a particular way, and this change was detectable in the light that came through the atom cloud, the team found.
小组发现，在磁场之中，原子的方向以特殊的方式发生的变化，而这种变化可以被穿过原子云的光束探测到。
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