The train went slower and slower until it stopped altogether.

火车愈来愈慢，最后完全停了。

《牛津词典》

I began to walk slower and slower.

我开始走得越来越慢。

《柯林斯英汉双解大词典》

As energy is supplied to the body at a slower and slower rate, dieters gradually become so weak that they can do nothing.

由于以越来越慢的速度给身体供应能源，这些节食的人的身体就逐渐变得非常虚弱，以致弱到什么事都不能做的程度。

youdao

The ILO notes that child labor is decreasing worldwide, but at a much slower rate than four years ago.

VOA: special.2010.05.17

They walk slower toward the elevator., then the people who were not primed with these old words, subconscious completely.

但他们走向电梯的速度，比没有受到影响的人慢，完全是潜意识的。

哈佛公开课 - 幸福课课程节选

I think that the camera can convey baseball better, because it's a slower moving game.

我想用摄像机记录棒球比赛比较好，因为棒球比赛的节奏比较慢。

现场观看篮球赛 - SpeakingMax英语口语达人

And as projects were completed during the year, things just got slower and slower.

FORBES: Petroleum Balance

As our largest trading partner, slower growth in Europe means slower growth in American jobs.

WHITEHOUSE: President Obama holds a Press Conference at the G20 Summit

Investment in information technology has plunged this year, and slower investment growth in future will mean slower productivity growth.

ECONOMIST: American productivity