介绍:
Vitamin D supplements could spare more than three million people from colds or flu in the UK each year, researchers claim.
The sunshine vitamin is vital for healthy bones, but also has a role in the immune system.
Viatamin D pill 维生素D片
Supplement 补充
Spare 免除
Claim 宣称
Be vital for 对...是至关重要的
Healthy bone 健康骨骼
Immune system 免疫系统
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