To test the idea, he and colleagues recreated salmon redds in an experimental flume.

为了验证这个想法，弗莱米尔和同事在实验水槽中重建了鲑鱼的产卵区。

That little hole is called a redd. That's where the salmon lays her eggs.

这个小洞被称为“鲑鱼产卵区”。即鲑鱼产卵的地方。

Here is the reddest rose in all the world.

“这是全世界最红的一朵玫瑰。

Without embarrassment, I covered his coffin with the largest, reddest roses I could find.

我在他的棺木上铺满了我所能寻得的最大的红玫瑰，而且，没有一丝窘迫。

At the other end, light with slightly longer wavelengths than the reddest color we can see is called infrared light.

在光谱的另一端，波长比我们能看到的最红颜色稍长的光被称为红外光。

She had the reddest fingernails I had ever seen.

她的指甲是我见过的最红的。

The traveller with the cart was a reddleman—a person whose vocation it was to supply farmers with redding for their sheep.

赶车的是个红土贩子，他的行当是把红土卖给乡下人去染绵羊。

You know, we're in one of the reddest states in the country, so we're really excited to shake things up here.

我们州是共和党的坚定拥护者之一，因此我们非常兴奋能在这里安排活动。

One is straightforward: on many trees, the leaves that are the reddest are those on the side of the tree which gets most sun.

一个很简单：在许多树上，最红的叶子是那些接受最多阳光的那一侧的叶子。

The children seeing their little duties lie in action close around them, began to try each one to do something that she suggested towards redding up the slatternly room.

孩子们看到他们的小职责就在他们身边， 开始尝试每个人都做她建议的事情来红这个肮脏的房间。