radium
美音:[´reıdıəm
]
英音:[´reıdıəm
]
n.镭
难易程度:
radium为高中词汇
词形变化:
简写符号:Ra
词根
radi＝ray（光线）
radium
/'reɪdɪəm; `redɪəm/
n [U] chemical element, a shining white radioactive metal used in the treatment of some diseases, eg cancer 镭
*[attrib 作定语] radium therapy 镭疗法. =>App
10 见附录10.
n [U] chemical element, a shining white radioactive metal used in the treatment of some diseases, eg cancer 镭
*[attrib 作定语] radium therapy 镭疗法. =>App
10 见附录10.
radium
n[U]
[Date: 1800-1900; Language: Modern Latin;Origin:Latin radius; RADIUS]
a white metal that is radioactive and is used in the treatment of diseases such as cancer. It is a chemical element : symbol Ra
[Date: 1800-1900; Language: Modern Latin;Origin:Latin radius; RADIUS]
a white metal that is radioactive and is used in the treatment of diseases such as cancer. It is a chemical element : symbol Ra
1. Madame Curie will always be remembered as the discoverer of the element radium.
居里夫人这位镭元素的发现者,将永远为人们所怀念.
2. Radium is a radioactive element.
镭是个放射性元素。
3. Radium and uranium are radioactive elements.
镭和铀是放射性元素.
更多句子>>>
居里夫人这位镭元素的发现者,将永远为人们所怀念.
2. Radium is a radioactive element.
镭是个放射性元素。
3. Radium and uranium are radioactive elements.
镭和铀是放射性元素.
更多句子>>>
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