| 单词 | calcium |
|---|---|
| 音标 | 英[ˈkælsiəm] 美[ˈkælsiəm] |
| 解释 | n.<化>钙; |
| 例句 | N-UNCOUNT 钙 Calcium is a soft white element which is found in bones and teeth, and also in limestone, chalk, and marble. |
| 变形 |
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