但是只看到它慢慢沉下时的磷光。

But there was only the light of its slow descent.

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部分磷光体容易丢失。

Fractions of the phosphor are easily lost.

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科研小组表示，这种磷光性的物质不需要放在阳光下直射。

The team said the phosphorescent substance did not need to be exposed to direct sunlight.

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磷光层吸收某些蓝色光线之后，就能被“启动”进入一种兴奋状态。

The phosphor absorbs some of the blue light and is "pumped" into an excited state.

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磷光层吸收某些蓝色光线之后，就能被“启动”进入一种兴奋状态。

The phosphor absorbs some of the blue light and is "pumped" into an excited state.

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