国家经济正在缓慢但稳步地增长。

The country is experiencing slow but steady economic growth.

《牛津词典》

构成地球表面的那些构造板块极其缓慢但剧烈的运动，也可能导致异地物种形成。

Allopatric speciation can also be brought by the imperceptibly slow but colossal movements of the tectonic plates that make up Earth's surface.

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这个谜题的答案在于早期光合生命形式的新陈代谢活动，这种活动缓慢但一定改变了地球大气的化学成分。

The answer to this riddle lies in the metabolic activity of early photosynthetic life-forms that slowly but surely transformed the chemical composition of Earth's atmosphere.

youdao

That ratio may have been higher in the nineteenth century; it's gradually trending down, but it's a slow-moving thing.

在19世纪这个比率要高一些,然后逐渐下降,但这是个缓慢变化的过程

耶鲁公开课 - 金融市场课程节选

So, that's a funny property of conventional mortgages -that the mortgage balance declines very slowly at first and then it falls rapidly when it comes to maturity.

这是普通贷款很有意思的特性,即贷款余额在起初减少的非常缓慢,但随着到期日的临近,便会加速递减

耶鲁公开课 - 金融市场课程节选

Of course, it's in minor and the voices will come in, but the bass is going, sort of plodding along in a basic duple but with a triple subdivision underneath of that.

当然,它是小调的,人声将会进入,但低音是这样,按基本的二拍子缓慢地行进,但在那下面还用了一个三连音的节奏细分

耶鲁公开课 - 聆听音乐课程节选