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Correct
镭
/ léi /
Strokes
Definition
radium (chemistry)
Example
As a Noun
radium (Ra)
1
Léi
镭
tóngwèisù
同位素
- Pinyin
- Sentence
radium isotope
2
Léihuà
镭化
héwù
合物
- Pinyin
- Sentence
radium compound