Hot intracluster gas is shown in pink, and the blue overlay maps the location of dark matter.

炽热的星团内气体是粉红色，蓝色覆盖层绘制了暗物质的位置。

youdao

Glowing visible filaments, shown in yellow, and X-ray hot gas, shown in blue, span about 30 light-years in our neighboring galaxy, the Large Magellanic Cloud.

可见光波段的发光丝状物，用黄色显示，X射线波段热气体，用蓝色显示，宽30光年，在我们的近邻星系大麦哲伦云中。

youdao

Ionized molecular hydrogen can be seen evaporating from the tips of these star-forming columns of gas and dust, under pressure of ultraviolet light from the nebula's central blue giant stars.

在来自星云中心蓝巨星紫外线辐射的压力下，这些由气体和尘埃组成的恒星形成区域尖端的电离氢分子将不复存在。

youdao

As I say, red tends to be chosen, but then if you get lab experiments showing that that particular color of gas blue is somehow or another sort of more invasive of your consciousness than red is, then you move away from the arbitrariness of the choice of red as a color.

所以人们就倾向于选择红灯，但是如果你想用实验证明,比如说烟蓝色或者,其他任何另一种颜色比红色更加醒目，那么你就忽视了颜色选择上的任意性。

耶鲁公开课 - 文学理论导论课程节选

Oil and gas companies directly employ more than 2 million Americans, from blue-collar workers to well-trained scientists and engineers.

FORBES: Obama Ignores the Fastest Way to Create Jobs

These hot, blue giants would have grown out of the cold neutral gas that pervaded the young cosmos just a few hundred million years after the Big Bang.

BBC: NEWS | Science/Nature | Telescope looks to go to the edge

With the Blue Cash Everyday card, consumers only get 2% cash back at gas stations.

FORBES: MasterCard 1Q Tops Forecasts on Consumer Spending