另外一张照片里，一条一条的绿色光束像下雨般跌落大地，一道流星恰好从中穿过——此刻地上的湖面正被五彩的极光照得通明。
Another shows the streaks of green flashes dropping to earth like rain with a meteorite soaring through the middle of it - all while a shimmering lake is illuminated by the colourful display.
当用弱的蓝色光束照射细胞时，就可以让它们发出绿色的激光。
Flooding the resulting cells with weak blue light causes them to emit directed, green laser light.
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