radium
英 [ˈreɪdiəm]
美 [ˈreɪdiəm]
n. 镭
BNC.45531 / COCA.30174
牛津词典
noun
- 镭
a chemical element. Radium is a white radioactive metal used in the treatment of diseases such as cancer.
柯林斯词典
- 镭
Radiumis a radioactive element which is used in the treatment of cancer.
英英释义
noun
- an intensely radioactive metallic element that occurs in minute amounts in uranium ores
双语例句
- It is produced from radium in the decay chain of uranium, an element found in varying amounts in all rocks and soil.
它产生于铀衰变链中的镭,而铀是所有岩石和土壤中都能找到的一种元素,含量各不相同。 - He was the discoverer of the element radium.
他是镭元素的发现者。 - Radioactivity is a special quality of radium.
放射性是镭的一种特性。 - 746. The radiation radius of the radioactive radium radiator in the stadium is variable.
746.有放射性的镭辐射体(散热器)在广场中的辐射半径是可变的。 - You could not safely hold a handful of radium atoms, for radium can cause serious burns.
手里若拿着一把镭原子,不可能安然无恙,因为镭会引起严重烧伤。 - It was an electroscope which contained a small amount of radium.
这是一个验电器,其中载有少量的镭。 - The radium isotopes are absorbed to an appreciable extent through the human and animal gut.
镭的同位素通过人和动物的肠子时有很大部分被吸收。 - Tell me when radium was found.
告诉我镭是什么时候被发现的。 - Madame Curie devoted all her time to the study of radium.
居里夫人一生致力于镭的研究。 - Thanks to this discovery of new, very powerful radioactive substances, particularly radium, the study of radioactivity progressed with marvellous rapidity.
由于新的、更强的放射性物质,特别是镭的发现使放射性研究取得了飞速发展。