它是人类知道的第一种超流体——这种液体有一些很有趣的特性，包括完全没有粘滞性，一旦你让它动起来，便永无歇止，并且不会损失能量。

It's the first known superfluid, a fluid that has many interesting properties, including absolutely no viscosity, and it will never come to rest or lose energy once you start it in motion!

youdao

它是人类知道的第一种超流体——这种液体有一些很有趣的特性，包括完全没有粘滞性，一旦你让它动起来，便永无歇止，并且不会损失能量。

It's the first known superfluid, a fluid that has many interesting properties, including absolutely no viscosity, and it will never come to rest or lose energy once you start it in motion!

youdao