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词组
calcium
释义
calcium
☞
calcium
n.
[′kælsɪǝm]
双解释义
U
(化学元素)钙
a silver-white metal that is a simple substance and is found in bones, teeth, and chalk
句型例句
We need calcium to make bones.
我们需要钙来造骨。
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更新时间:2026/7/31 6:37:47