He thought it was cool.

他觉得这很时髦。

It is cool and convenient.

这既凉爽又便利。

I'm a cool guy in my own way, too.

以我自己的方式，我也是一个很酷的人。

He has discovered his own way to be cool.

他发现了自己变酷的方法。

That sounds cool.I want to be a volunteer,too.

听起来很酷。我也想成为一名志愿者。

There's a really cool new one we could download.

我们可以下载一个很酷的新版本。

If you consistently lose your cool with your kids.

如果你总是对你的孩子失去冷静。

Hyun was a cool kid and good at playing basketball.

Hyun是个很酷的孩子，并且擅长打篮球。

Cool air came up through small holes in the tables.

凉爽的空气从桌子上的小孔中冒出来。

Increasing Earth's reflectiveness can cool the planet.

增加地球的反射率可以给地球降温。