Then one shade achieves critical mass.

然后，有一种色调会达到临界值。

youdao

Fresh: Use lip liner one shade darker than the natural color of your lips.

新鲜：唇线的颜色要比你的自然唇色暗一个调子。

youdao

Instead of using one shade for his lamp he stacks many shades on each other.

他没有只采用一个灯罩，而是将多个灯罩重叠起来。

youdao

If you keep your algae in ponds the rays do not always strike them at the best angle and the algae sometimes shade one another if they are growing densely.

ECONOMIST: Biofuels are back. This time they might even work

And lungworts (Pulmonaria), one of the first shade-loving perennials to return each spring, have white polka dots covering their spiky green leaves.

WSJ: It's Better in the Shade

As Dr Goldacre points out, if one drug is even a shade more effective than its competitors, then thousands of people prescribed the inferior ones are dying needlessly every year for want of a bit of simple research.

ECONOMIST: Pick your pill out of a hat