美国有线新闻 CNN 什么是vog?

Officials in Hawaii say 35 buildings, including at least 26 homes, have been destroyed in the latest eruption 1 of the Kilauea volcano. New fissures 3 have formed in the ground, and though volcanic 4 activity in these cracks slow down yesterday, scientists thought it was just a pause and that the eruption would continue.

夏威夷官员说，在基拉韦厄火山最近的一次喷发中，35座建筑，包括至少26座房屋被毁。新的裂缝已经形成，尽管昨天这些裂缝中的火山活动减缓，但科学家们认为这只是暂时的停顿，火山喷发还会继续。

Hundreds of people have been evacuated 5 miles to the east of the volcano. Some have been able to go back home to get things like pets, medicine and important belongings 6. Others have been warned to stay away as dangerous air and lava 7 flow spread.

数百人被疏散到火山东部。有些人可以回家去买宠物、药品和重要物品。另一些人则被警告要远离危险的空气和熔岩流。

Scientists say there’s no way to stop lava. The only they’ve been able to do in the past is to divert it by spraying it with sea water. And because that just sends it in another direction, it’s not always a good option.

科学家表示没有办法阻止熔岩。他们过去唯一能做的就是用海水喷洒。因为那只是把熔岩发送到另一个方向，它并不总是一个好的选择。

There’s another danger to consider that people can’t always see.

还有另外一种人们无法见到的危险。

ALLISON CHINCHAR, CNN METEOROLOGIST: Volcanoes often conjure 8 up images of lava and fire. But there’s a lasting 9 impact that’s often ignored called vog or volcanic smog.

CNN 气象学家：火山经常会产生熔岩和造成火灾。但是有一种经常被忽视的持久的影响，叫做vog或称为火山烟雾。

So, what is vog?

什么是火山烟雾?

Vog is a form of air pollution. It’s made of carbon dioxide, water vapor 10 and sulfur 11 dioxide. That last one being most important. That sulfur dioxide is released from the volcano and/or fissure 2 vents 12 and it reacts with the atmosphere. And within hours to days, it converts to very fine particles, which scatters 13 sunlight, causing that visible haze 14.

Vog是一种空气污染。它是由二氧化碳、水蒸气和二氧化硫构成的。最后一个是最重要的。二氧化硫从火山或裂缝喷口释放出来，与大气发生反应。在数小时内，它会转化成非常细的粒子，散射阳光，造成明显的雾霾。

Is vog dangerous?

vog危险吗?

Vog can be dangerous and can damage the environment, humans and animals. It affects humans by damaging the lungs, triggering headaches, watery 15 eyes, sore throat and even breathing difficulties, even in people who have zero history of respiratory problems.

Vog很危险，会破坏环境，人类和动物。它会通过破坏肺部、引发头痛、流泪、喉咙痛甚至呼吸困难来影响人类，即使是那些没有呼吸系统疾病史的人也会诱发疾病。

What should you do if you encounter vog?

如果遇到vog，你应该怎么做?

It is advised to avoid vog by limiting your time outdoors. Additionally, if it rains and there is vog in the atmosphere, you need to very careful.

建议你不要在户外活动。另外，如果下雨，空气中存有vog，你需要非常小心。

Vog can cause something called acid rain. If that does happen, please stay indoors and once again avoid your exposure. In the event you do come in contact with acid rain, wash it off as soon as possible.

Vog会引起酸雨。如果发生这种情况，请待在室内，避免接触酸雨。如果你确实接触过酸雨，请尽快把它冲洗掉。

What are the long-term effects of vog?

vog的长期影响是什么?

Depending on the volcano and the location of the vog, it can be present for several weeks, meaning it could spread to more populated cities even hundreds of miles away.

根据火山和vog的位置，它可能会存在数周，这意味着可能会蔓延到数百英里之外的人口更密集的城市。