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In just over two weeks, on Monday, April 8th, many of us will witness a celestial phenomenon, a total solar eclipse.
再过两个多星期，也就是4月8日、星期一那天，我们中的许多人将会目睹一种天体现象——日全食。
That's when the moon's shadow completely blocks out the sun.
日全食发生时月亮的阴影会完全挡住太阳。
Not everyone will be able to see it. It depends on where you live, but even if you don't see the total eclipse, you will probably see a partial eclipse.
不是每个人都能看到日全食，这取决于你住在哪里。不过，即使你无法看到日全食，但你仍可能会看到日偏食。
The last time a total solar eclipse happened in the U.S. was 2017, but back then only 12 million people lived in the direct path of the eclipse.
美国上次出现日全食是在2017年，但当时日全食的直接路径上仅有1200万人居住。
This time, you've got a much better chance to see it. More than 31 million Americans live in the so-called path of totality.
这一次，你有更好的机会观看日全食。在所谓的日全食路径上居住着超过3100万的美国人。
So it's time to start planning. Check out this NASA map. Are you in the direct path?
是时候开始计划了。看看这张美国宇航局的地图。你处在这条直接路径上吗?
If you are, and you plan on peeking up at it, you'll need to get special eclipse glasses.
如果你在这条路径上，而且你打算抬头一窥日全食，那么，你需要买一副特殊的日食眼镜。
You can't view the eclipse without them, no normal sunglasses, or you can seriously damage your eyes, potentially permanently.
如果没有日食眼镜，也没有普通的太阳镜，那么你就无法观看日食，否则你的眼睛会严重受损，甚至可能是永久性地受损。
Now, if you're really hoping to see it, don't miss it, because there won't be another total solar eclipse in the U.S. for another 20 years.
现在，如果你真的希望看到日全食，请不要错过它，因为在未来的20年里，美国不会再出现一次日全食。
For more, check out this report we prepped for you earlier this week.
想了解更多信息，请查看我们本周早些时候为大家准备的报告。
A total solar eclipse, it happens when the moon passes between the Earth and the sun, completely blocking out the light.
当月亮经过地球和太阳之间，完全挡住了太阳光线时，就会发生日全食。
On April 8th, more than 32 million people across Mexico, the United States, and Canada could see the sun completely darkened by the moon's shadow.
4月8日，墨西哥、美国和加拿大的3200多万人可以看到太阳被月亮的阴影完全遮住的景象。
And that moment of total darkness could last more than four minutes in some places.
在一些地方，完全黑暗的时刻可能会持续四分钟以上。
It's also going to be the last one for quite some time.
这种景象也将会是很长一段时间内的最后一次。
A total solar eclipse won't happen again in the United States for another 20 years.
在未来的20年里，美国不会再出现日全食。
Location is key. The total eclipse is only visible inside a very narrow track, known as the path of totality.
观看地点是关键。日全食只能在一个极其狭窄的路径上看到，这个路径被称为日全食路径。
It stretches more than 10 U.S. states from Texas through Maine, and the timing changes depending on where you are within that path.
日全食路径横跨从德克萨斯州到缅因州的10多个州，观看时间根据你所在路径的位置而变化。
People outside that narrow band will still be able to see a partial solar eclipse.
身处那条狭窄地带之外的人们仍可以看到日偏食。
That's when the moon only blocks part of the sun's face.
日偏食发生时月亮只挡住了太阳的部分。
That should be visible in all 48 contiguous U.S. states.
日偏食在美国所有48个毗邻的州都可以看到。
Now if you're planning on peeking at a total or partial eclipse, remember to get you some certified eclipse glasses, regular sunglasses not strong enough to protect your eyes, otherwise severe eye damage can occur.
现在，如果你打算观看日全食或日偏食，记得购买一些经过认证的日食眼镜，否则会对你的眼睛造成严重伤害，因为普通的太阳镜不足以保护眼睛。
A solar retina burn can permanently injure your eyes, and you might not even feel it until it's too late.
太阳灼伤视网膜会对你的眼睛造成永久性伤害。你甚至可能感觉不到伤害，就算感觉到也为时已晚。
