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1·Their faces were blackened with soot.

他们满脸煤灰。《牛津词典》

2·The parks and squares looked grim under a mantle of soot and ash.

在一层烟尘的笼罩下，这些公园和广场显得阴沉沉的。《柯林斯英汉双解大词典》

3·That's Soot, said Mary.

“那就是煤灰。”玛丽说。

4·Not all air pollution starts out as soot.

并非所有的空气污染物一开始都是煤烟。

5·Captain and Soot both felt same as I did.

“船长”和“煤灰”的感觉都和我一样。

6·Soot had flown down and marched forward to see what was being done.

“煤烟”飞了下来，大步走上前，想看看他们在做什么。

7·It's named Soot because it's so black, an' it hops an' flies about with him everywhere.

它叫煤灰，因为它太黑了，它跟着他到处跳，到处飞。

8·These are pollutants, particularly ozone and soot, that do not hang around in the atmosphere as carbon dioxide does.

这些污染物，尤其是臭氧和煤烟，不像二氧化碳那样悬浮在大气中。

9·Airborne soot and dirt from the impact blanketed Earth, inhibiting photosynthesis and triggering mass extinction of species.

撞击产生的烟尘和灰尘覆盖了地球，抑制了光合作用，引发了物种的大规模灭绝。

10·Soot pollution can irritate the lungs, worsen conditions like asthma and increase the risks of heart attacks and premature death.

煤烟污染会刺激肺部，使哮喘等病情恶化，增加心脏病发作和过早死亡的风险。

(1)soot blower吹灰装置；烟灰吹除机

(1)soot formation烟炱的形成；积灰