Pierre Curie and I at once carried out this research, hoping that the proportion of the new element might reach several per cent.
皮埃尔·居里和我立刻着手这一研究，并希望这种新元素的浓度能达到百分之几。
Pierre Curie and I at once carried out this research, hoping that the proportion of the new element might reach several per cent.
皮埃尔·居里和我立刻着手这一研究，并希望这种新元素的浓度能达到百分之几。
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