Now in a new layer above the watercolor layer, and drawing straight up, make a Linear Gradient going from black to transparency so that afterwards your canvas basically fades to black down the bottom.

现在在水彩图层之上再新建一个图层，然后从下至上从黑色到透明做线性递减绘制，这样基本上整个画布到底部就褪化为黑色了。

youdao

Beyond that world is the deep and pitch-black region that stretches down to roughly 35,800 feet, the bottom of the Marianas Trench.

在那个世界以外的是片幽深、漆黑的马里亚纳海沟底部，一直延伸到大约35，800英尺以下。

youdao

His beard was as black as pitch, and so long that it reached from his chin down to his feet.

他的胡子又黑又长，黑得像沥青一样，长得从下巴一直拖到脚。

youdao

So, if you use a black lamp or something and you excite something up to a higher energy level and then it relaxes back down to its lower energy state, it's going to emit a new wavelength of light, which is going to be visible to you.

如果你用一个紫外灯或别的,东西把某种分子激发到,更高的能级，然后它会掉回,到低能级，它就会释放,一个新的波长的光,这个光是可见的。

麻省理工公开课 - 化学原理课程节选

It dropped dramatically in the period from 1954-- this is these filled black bars refer to this axis, polio cases per 100,000 population dropped down to only three or four cases by 1956.

患病率在一九五四年后的,一段时间里急剧下降,该坐标轴上的这些黑色柱形图表明,到一九五六年,小儿麻痹症的发病率,已经降低至每十万人中仅三到四人发病

耶鲁公开课 - 生物医学工程探索课程节选

If you believe black men are criminals, then when you see a black man who is a criminal you'll chalk it down as support but you'll pay less attention to evidence that white men are criminals and some black men are not criminals.

如果你相信黑人都是罪犯，当你看到一个是罪犯的黑人时,你就会觉得这是证据,但你不会注意其他证据,证明白人也有罪犯,黑人也有不是罪犯的。

耶鲁公开课 - 心理学导论课程节选

We were trying to raise money and awareness about what was happening to black folks down in Cairo, Illinois.

NPR: Jazz, Opera Suffer Loss of Two Greats

And, you know, Obama went right back at Jackson last -you've even got to remember that last week, Jackson said that Obama deserved to be castrated for talking down to black people when he was calling out the idea that there needed to be more responsible parenting, especially responsible fathers in the black community.

NPR: Analysis: Candidates' Minority Outreach

And in November of that year, a wheelchair-bound bombshell (of the non-explosive variety) stripped down to her black lingerie to make the TSA agent that would pat her down as uncomfortable as she was with being patted down.

FORBES: Getting Naked At The Airport To Protest The TSA Is So 2010