The aluminates are used as the base and the rare earth materials are used as the luminescence center and trap center. The excitation resource can be man-made light and sunlight.

它以铝酸盐原料为基质，以稀土材料作为掺杂元素形成发光中心和陷阱中心，激发光源可以是人造光源或者太阳光。

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Women will always ask questions that have no center answers,in an effort to trap you sin to feeling guilty.

女人总是问一些没有正确答案的问题,她们想使你有犯罪感。

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Women will always ask questions that have no center answers,in an effort to trap you sintos feeling guilty。

女人总是问一些没有正确答案的问题，她们想使你有犯罪感。

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Neuroscientist Paul Zak, author of The Moral Molecule, has studied the trust trap extensively at the Claremont Graduate University Center for Neuoroeconomic Studies, and says that we all suffer a hard-wired disadvantage when it comes to identifying well-structured cons.

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The guests will stay 1.5 miles from Samara Center, away from the tourist trap yet close enough to be of easy access.

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Beijing catches so much of the pollution from coal-burning power plants because it sits at the center of a ring of mountains, which help trap the smog.

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