The melanin is what darkens your skin.

黑色素使皮肤变黑。

The scientists found evidence that snow and ice was being darkened, accelerating the rate of melting.

这些研究人员发现证据可以证明雪和冰会变暗，从而加剧融化的速度。

Harry squinted at his friends' darkened faces.

哈利眯起眼睛看着黑暗中两个朋友的脸。

The Moon moves deeper and deeper into the shadow until it's completely darkened.

月亮越来越深入本影，直到完全变暗。

The Sun sets, and for a few minutes you just watch as the sky darkens.

太阳落山，几分钟的时间里，你就看着天空变暗。

It automatically darkens and casts a beautiful glow into the room.

它会自动变暗并向房间投射出美丽的光芒。

His surly face darkened as he surveyed Harry.

他上下打量着哈利，不可一世的脸上露出阴沉的表情。

During the first Latin class that night, a storm darkened the sky.

当晚第一堂拉丁语课上，一场暴风雨使天空变得暗淡。

But as the drama darkens, the scene may also be shifting.

但是，随着舞台变暗，布景可能也在变化。

For light-skin people, that extra melanin darkens their skin and produces a tan.

这取决于阳光照射时皮肤的反应。

She hardly has time to speak Sonja's name before Ove's face darkens, anger stiffening it into a mask.

还没等她把索雅的名字说完，欧维的脸色就阴沉下来，好像愤怒立刻凝结成一副面具。

Get out and never darken our doorstep again!

滚出去，永远不要再玷污我们家的门槛！

But if the sheep eats the flower, in one moment all his stars will be darkened.

但是如果羊吃掉了这朵花，对他来说，好象所有的星星一下子全都熄灭了一样！

So we provide accurate light estimations so that as the scene would darken, you can darken your objects as well.

所以我们提供了精确的光线估算，所以在场景变暗时你也可以同步把对象变暗。

It stretched its wings and flew off into the darkening sky.

它伸展翅膀，飞入渐渐暗下的天空。

As the crowd booed, Gale's cloud darkened.

观众们爆发出一阵嘘声，云姐的云彩开始暗了下来。

His words trailed off in the darkening room.

他所吐之词在昏暗的房内渐渐被吞噬。

With the Sun so far away, the Earth darkened, and the seas began to crackle and freeze.

随着太阳远离，地球陷入了黑暗，海水结冰，咯吱作响。

The theater room darkened and then the film began.

电影放映厅暗了下来，接着影片便开始了。

His face darkened. " Are you calling me a coward" ?

" 你言下之意，`w-r-w-h-u。c-o-m`我是个懦夫？"