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1·After the fragments' entry, these analyses revealed unprecedented traces of sulfur.

在碎片进入之后，这些分析揭示了前所未有的硫磺痕迹。

2·The level of sulfur dioxide gas above Venus's clouds shows large and very frequent fluctuations.

金星云层上方的二氧化硫气体水平显示出巨大且非常频繁的波动。

3·It is quite possible that these fluctuations, the huge increase and decrease of sulfur dioxide, happening again and again.

很有可能这些波动，二氧化硫的大量增加和减少，一次又一次地发生。

4·These pollutants are called aerosols and they include soot as well as compounds of nitrogen and sulfur and other stuff into the air.

这些污染物被称为气溶胶，它们包括煤烟以及空气中氮、硫和其他物质的混合物。

5·New coal-burning plants usually comply with the law by installing expensive equipment to filter sulfur dioxide from their emissions.

新的燃煤电厂通常安装昂贵的设备来过滤排放的二氧化硫以遵守法律。

6·When we sleep, for example, the saliva stream slows, and sulfur producing bacteria gain the upper hand, producing classic morning breath.

例如，当我们睡觉时，唾液流变慢，产生硫的细菌占上风，便会产生典型的“晨起口臭”。

7·It does not distribute neurotoxic mercury around the planet; it does not clog city air and the lungs of those who breathe it with soot and sulfur.

它不会在地球上散播神经毒性汞；它不会用烟尘和硫堵塞城市空气和呼吸者的肺。

8·We know that because the sulfur and the chlorine in the oxygen have different average valence electron energies, they'll have different electron affinities.

我们都知道，因为氧气中的硫和氯具有不同的平均价电子能，它们的电子亲和力也不同。

9·The fragments themselves almost certainly contained no sulfur, but astronomers believe that the cloud layer below Jupiter's outer atmosphere does contain sulfur.

这些碎片本身几乎不含硫，但天文学家相信，木星外层大气之下的云层中确实含有硫。

10·Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system's ability to deal with all other pollutants.

二氧化硫是酸雨的主要成因之一，它是一种特别严重的污染物，因为它会降低呼吸系统处理其他污染物的能力。

(1)sulfur dioxide二氧化硫

(1)sulfur content含硫量，硫分；硫含量

(1)total sulfur全硫

(1)sulfur trioxide三氧化硫（等于sulphur trioxide）

(1)elemental sulfur元素硫

(1)sulfur hexafluoride[化]六氟化硫