You can think of it as a kind of floating, very foot-friendly sand.

你可以把它想象成一种漂浮的、非常容易踩踏的沙子。

Well, a number of things from floating sand, phytoplankton and all sorts of living organisms that aren't just fish.

这有很多因素，比如漂浮的沙粒，浮游植物以及各种包括鱼在内的有机生物体。

It is called hollow glass microspheres, you can think of it as a kind of floating, very foot-friendly sand, so it's teeny, teeny spheres with a very thin silica glass shell around a gas core.

它叫中空玻璃微球，你可以把它想象成一种漂浮的、非常容易踩踏的沙子，因此它是由非常薄的二氧化硅玻璃外壳围绕着气体核心制造的小球。

And fish, crustaceans, and dolphins are also impacted by the altered water flow and the increased amount of floating sand in the water, putting many endangered species in even more serious danger.

鱼类、甲壳类动物和海豚也受到水流变化和水中浮沙数量增加的影响，使许多濒危物种面临更加严重的危险。