维生素D-英语听力下载-沪江英语听力网

不可或缺的铁元素和维生素D(2/2)

铁和维生素D让婴儿更加聪明健康Hints:PediatricsCarlos CamargoHarvard Medical School Massachusetts 校稿瞥未草青翻译 olivertt组长蓝色三叶草 VOA听写稿常见规范说明>>Another new study, publishe...

1年前

健康铁维生素D 血液婴儿慢速VOA 沪江听写酷文章

不可或缺的铁元素和维生素D(1/2)

关爱下一代，孕妇更需要补铁 Hints: Parul Christian Johns Hopkins School of Public Health Maryland Nepal folic acid 校稿 Akashic 翻译 lahmmsc 组长澈底VOA听写稿常见规范说明>> Many people hav...

1年前

健康铁维生素D 血液婴儿慢速VOA 沪江听写酷文章

[慢速VOA] 你对维生素D了解多少(2)[080723]

Among Vitamins, D Seems Short for ''Does a Lot'' (2/2)Small amounts of D are found in beef liver, cheese and egg yolks. And some people take dietary su...

3年前

慢速VOA 听写英语 VOA 健康维生素D

[慢速VOA] 你对维生素D了解多少(1)[080722]

Among Vitamins, D Seems Short for ''Does a Lot'' (1/2) Vitamin D helps bones and muscles grow strong and healthy. Low levels of vitamin D can lead t...