It looks at whether the widespread use of vitamin D and other popular vitamins that are commonly sold and taken in high doses can do more harm than good.
他们调查了普遍售卖的维生素D和其他常见的维生素产品，并探讨了广泛使用并以大剂量摄入是否弊大于利。
Although dating to probably as early as a. d. 200, the feast of Christmas did not become widespread until the Middle Ages.
圣诞节最早可追溯到公元200年，但直到中世纪才开始广泛流传。
Although dating to probably as early as a. d. 200, the feast of Christmas did not become widespread until the Middle Ages.
圣诞节最早可追溯到公元200年，但直到中世纪才开始广泛流传。
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