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1. 钙质 (gài zhì) - This word refers specifically to the substance of calcium, rather than the element itself. It can also be used to describe something that is rich in calcium, such as "钙质丰富的食物" (foods rich in calcium).
2. 钙元素 (gài yuán sù) - This is the scientific term for the element calcium. It is often used in chemistry and other scientific contexts.
3. 钙离子 (gài lí zǐ) - This term refers to the ionized form of calcium, which is important for many biological processes in the body.
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钙 (gài) is an essential mineral for the human body. It is important for the development of strong bones and teeth, as well as for the proper functioning of muscles, nerves, and the heart. For example, 钙 (gài) is a key component of blood - 血液 (xuèyè) and helps to regulate one's blood pressure - 血压 (xuèyā).
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