Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次讲的话题之前，还想回忆一下，镭和钋发现是皮埃尔·居里与完成的。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

们发现沥青铀矿物中至少含有两种放性物质：与铋伴生的命名为钋，与钡伴生的命名为镭。

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次讲的话题之前，我还想回忆一下，镭和钋发现是皮埃尔·居里与我合作完成的。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现沥青铀矿中至少含有两种放射：与铋伴生的命名为钋，与钡伴生的命名为镭。

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次讲的话题之前，我还想回忆一下，镭和是皮埃尔·居里与我合作完成的。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们沥青铀矿物至少含有两种射性物质：与铋伴生的命名为，与钡伴生的命名为镭。

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次讲话题之前，我还想回忆一下，镭和钋发现是皮埃尔·居里与我合作完成。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现沥青铀矿物中至少含有两种放射性物质：与铋伴名为钋，与钡伴名为镭。

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次讲的话题之前，我还想回忆一下，镭和钋发现是皮埃尔·居里与我合作完成的。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现矿物中至少含有两种物质：与铋伴生的命名为钋，与钡伴生的命名为镭。

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次讲的话题之前，我还想回忆一下，镭和钋发现是皮埃尔·我合作完成的。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现沥青铀矿中至少含有两种放射性质：铋伴生的命名为钋，钡伴生的命名为镭。

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次讲的话题之前，我还想回忆一下，镭和钋发现是皮埃尔·居里与我合作完成的。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现矿物中至少含有两种物质：与铋伴生的命名为钋，与钡伴生的命名为镭。

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次讲的话题之前，我还想回忆一下，镭现是皮埃尔·居里与我合作完成的。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们现沥青铀矿物中至少含有两种射性物质：与铋伴生的命名为，与钡伴生的命名为镭。

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始次讲之前，我还想回忆一下，镭和钋发现是皮埃尔·居里与我合作完成。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现沥青铀矿物中至少含有两种放射性物质：与铋伴生命名为钋，与钡伴生命名为镭。