To do this, researchers typically put a lot of small particles in the water.
为此，研究人员在水里放了很多细小的颗粒。
As is known to all, the world is made up of small particles called atoms.
众所周知，世界是由叫做原子的小微粒组成的。
Wash it in water, pick out the small particles, if any.
在水里洗一洗，如果有小颗粒，就挑出来。
Meteoroids are small particles in space with size similar to grains of sand.
宇宙充塞著沙粒大小的流星体。
Meteoroids are small particles in space with size similar to grains of sand.
宇宙充塞著沙粒大小的流星体。
应用推荐