如何使用 "D" 造句
- 1. How much vitamin d does a healthy person need ?
- 一个健康的人到底需要多少维生素d呢？
- 2. Can vitamin d replace flu shots ?
- 维生素d可以取代流感疫苗吗？
- 3. Doctors are learning that vitamin d has many health benefits .
- 医生认识到维生素d对健康有很大的好处。
- 4. Teenagers are also at risk for vitamin d deficiency .
- 十几岁的青年人同样也受到维生素d缺乏的威胁。
- 5. Most vitamin d is made when skin is exposed to sunlight .
- 如果让皮肤晒晒日光则可以产生大量的维生素d。