“招呼不周，还请见谅！”刘妍笑道。

"Hello no week, too amuse forgive! "Liu Yan says with smile.

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到惹得刘妍看了她好几眼。

To ask for Liu Yan saw a her very a few eye.

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浙江大学材料系，硅材料国家重点实验室刘妍，钱国栋，王智宇，王民权。

Department of Materials Science & Engineering, State Key Lab of Silicon Materials, Zhejiang University, Hangzhou 310027, China.

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