In other words, they actually do start behaving like molecules in a fluid, bouncing off one another at random.

换句话说，这个时候，他们就像液体中的分子一样，被任意地反弹。

youdao

A term used in the textile industry to denote a product made by laminating loose fibers placed over each other at random angles and united with a binder of natural or synthetic adhesive.

纺织工业用的一个术语，指的是将松散纤维以各种杂乱角度互相分层叠置而用天然或合成粘结剂粘结在一起制成的一种产品。

youdao

At other times these conversations are going to be more random jokes and stories than anything.

在其它的时间，这些会话将会演变成更多随机的笑话，和故事。

youdao

Passengers flying from other countries will be checked at random.

BBC: Yemen instability poses a 'global threat', says Clinton

In other words they will pick people at random and see what happens to them.

ECONOMIST: The Interphone study: Mobile madness | The

Tones and foot shocks were administered separately at random intervals in the other group.

WSJ: Why Children Have More Control of Their Dreams