今年2009年7月22日上午，我国长江流域中下游区域将出现一场壮观的日全食天象，这是2132年来全食时间最长的一次日全食，也是未来123年内持续时间最长的一次日全食，我国境内是最佳观测。

下面方向标给大家介绍一下日全食的英语怎么说？

首先我们来学习一下“食”是：eclipse,eclipse在天文学里面是交食

例句:

There will be a total eclipse of the sun next Monday.
下礼拜一将有全日蚀。

那么日全食的英语是:total solar eclipse

下面来看一段介绍日全食的英语文章：

A total solar eclipse is a spectacular natural phenomenon and many people travel to remote locations to observe one. The 1999 total eclipse in Europe helped to increase public awareness of the phenomenon, as illustrated by the number of journeys made specifically to witness the 2005 annular eclipse and the 2006 total eclipse. The next solar eclipse will occur on August 1, 2008, and will be a total eclipse.

The so-called "food" is a celestial body that was another celestial body or its Heiying Yanzhe all or part of the astronomical scene. Ri Quansi main solar eclipse, the partial eclipse and three on the Environment and Food. The principle is the solar eclipse occurred on Earth, some areas were covered by the shadow caused. Shuori solar eclipse will occur in that first day of the Lunar New Year (New Moon). This is because only in that day, the moon will appear in the Sun and the connection between the Earth, so will it be possible to block the sun and the moon formed the solar eclipse. Similarly, the eclipse will appear in Wangri that the Lunar New Year 15.
所谓"食"就是指一个天体被另一个天体或其黑影全部或部分掩遮的天文景象。日食主要有日全食、日偏食及日环食三种。日食发生的原理是地球上的局部地区被月影所遮盖而造成的。日食必发生在朔日，即农历的初一（朔）。这是因为只有在那一天，月亮才会出现在太阳与地球之间的连线上，这样才有可能使月球挡住太阳而形成日食。同样地，月食一定出现在望日，即农历十五。

You might ask, why is not the first day of each month will be a solar eclipse, why not the 15th of each month will be a penumbral eclipse » This is because in addition to the above conditions, the impact of the solar eclipse and the eclipse there are other factors. We the Earth around the sun to the track known as the ecliptic, the moon around the Earth to the track known as the White Road. Ecliptic plane and white plane, not the same, among them an average of 5 ° 09 'angle, and always changing. Only when the moon to run, and yellow or white Road intersection near the intersection and down only when a solar eclipse.
大家可能会问，为什么不是每个月的初一都会有日食，还有，为什么不是每个月的十五都会有月食呢？这是因为除了上面的条件外，影响日食和月食出现的还有其他一些因素。我们把地球围绕太阳公转的轨道称为黄道，把月球围绕地球公转的轨道称为白道。黄道平面与白道平面不是相同的，它们之间平均有5°09′的夹角，并且随时发生变化。只有当月球运行到黄道和白道的升交点和降交点附近时，才会发生日食。

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