... annual variation 年变（化） annular eclipse of sun 日环食 annular eclipse 环食 ...
双语例句
1
As the Moon blocked just the central portion of the Sun, people looking skyward would have seen a fiery ring around the Moon's perimeter, what is known as an annulareclipse.
当月亮正好阻挡住太阳中心的一部分，人们会看太阳像燃烧的圆环环绕在月球的周边，这就是日环食。
2
An annulareclipse occurs when the moon does not cover the entire disc of the sun so that a ring of light encircles the shadow of the moon.
当月亮不能完全遮住太阳时，月亮影子的周围就会有一圈亮光，日环食就发生了。
3
We have chosen the best place to observe the annulareclipseof the sun.