Skin color, where you live and how much skin you have exposed all affect how much vitamin D you can produce.

皮肤颜色、生活地点和暴露在外的皮肤面积大小，都会影响你的身体所能产生的维他命D的量。

youdao

Milk, oily fish and eggs all contain vitamin D.

牛奶、油性鱼类和鸡蛋全都含维他命D。

《柯林斯英汉双解大词典》

There are a number of vitamins that are vital for good hair health, the main ones being vitamins C, D and E, and in a balanced diet all these vitamins should be readily available.

有许多对头发健康至关重要的维生素，主要有维生素C、D和E，而在平衡的饮食中所有这些维生素应该很容易获得。

youdao

We used to get together at my parents' house and all of my relatives would come over and we'd have a big dinner.

VOA: special.2009.11.23

But if there were a lottery and they'd all agreed to the procedure, you think that would be okay?

但如果他们抽签了，他们也都同意这一程序，那你认为就没问题，是吧？

耶鲁公开课 - 公正课程节选

but they'd all come up and introduce themselves.

但他们会走过来，介绍他们自己。

联合广场呢 - SpeakingMax英语口语达人

We'd all lived together when Tia was a baby and she was my mum's 'mini-me'.

BBC: Tia Sharp: Murder 'shattered family's hearts'

And if you asked anybody in the band, they'd all have a different answer.

NPR: The '80s Strike Back: Devo's Mark Mothersbaugh

If the blame game put people to work we'd all be rolling in money.

WHITEHOUSE: Press Briefing