Saybolt ring number of kerosene

例句：

1. 1.The Saturn ring is a natural wonder that has fascinated astronomers for centuries.
   土星环是自然奇观，数百年来一直吸引着天文学家。
2. 2. In the Saturn ring, there are many small moons and icy bodies that orbit around the planet.
   在土星环中，有许多小月亮和绕行星运行的冰冷天体。
3. 3.Saturn's rings are composed of ice particles and dust, which makes them look like a swirling mist.
   土星环由冰粒和尘埃组成，因此它们看起来像是旋转的雾气。