When fish swim, they leave little swirling vortices in their wake.
当鱼儿游来游去时，在它们的航迹里会留下小小的漩涡。
These swirls of light, called optical vortices, could have implications for future laser devices, the physicists said.
这些光线的漩涡，称为光学旋涡，可能对未来的激光装置产生影响，物理学家说。
On Pandora the effect causes huge outcroppings of unobtanium to rip loose from the surface and float in the magnetic vortices.
在潘多拉星球上这种现象导致大块的Unobtanium从地表撕开并漂浮在磁极附近。
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