thin ring with big diameter

• 大直径薄环

thin ring with big diameter的用法和样例：

例句

1. The robot Cassini spacecraft now orbiting Saturn has now captured another shot that dramatically highlights the ring's thinness.
   现正围绕土星运行的卡西尼号飞船又捕拍到一张环的照片，它生动地突出了薄环。