This important group of scientists had asked Pierre Curie to give them a lecture on radium.

这群显赫的科学家们邀请了皮埃尔·居里来给他们做有关于镭的演讲。

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This important group of scientists had asked Pierre Curie to give them a lecture on radium.

这群显赫的科学家们邀请了皮埃尔·居里来给他们做有关于镭的演讲。

youdao