This is because calcium plays an important role in relieving muscle tension and regulating endocrine.

而这正是因为钙具有缓解肌肉紧张、调节内分泌的作用。

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This is because calcium plays an important role in relieving muscle tension and regulating endocrine.

而这正是因为钙具有缓解肌肉紧张、调节内分泌的作用。

youdao