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

People’s vitamin D levels are influenced by whether they have light or dark skin, where they live, how much time they spend outdoors and by fish and milk consumption.

人体的维生素D水平受多方面因素影响： 肤色黑白，生活在那里，有多少时间处于户外及鱼和牛奶的摄入量。

youdao

It's true that when Reagan National Airport was built near Washington D. C. where I live, there were signs like this.

的确，当里根国家机场在我生活的，华盛顿特区建造时，周围有这样的标志。

youdao

If only you'd known you had another 50 years, that you weren't going to die young-- or James Dean, going to burn out fast and die young-- if only you'd realized you were going to live to the ripe old age of 97, you would have picked a different life for yourself.

如果你知道自己还剩下50年，你不会英年早逝-,或者说你不会油尽灯枯，英年早逝-,如果你知道,你可以活到97岁高龄，你就会为自己选择另一种生活。

耶鲁公开课 - 死亡课程节选

If they could get the results in hours, he'd probably live--in a week, there is a good chance he could die.

FORBES: Nano Talk With Bernie Marcus

It's interesting to note that Palm's Jon Rubenstein will be speaking at All Things D the week before this -- which we'll be at live, coincidentally -- so that'd certainly make an apropos place to announce something spectacular like this, wouldn't it?

ENGADGET: Sprint holding Pre "launch lunch" on June 5? Mobile

While Nikon pioneered HD video in a D-SLR, Nikon is now introducing another industry first to enrich the user experience: The D3100 is the first D-SLR to implement full time AF for D-Movie video shooting and while in Live View mode.

ENGADGET: Nikon D3100 gets real, adds 1080p movie mode with continuous autofocus