He only drives this slowly when the police are behind him.

当警察在他后面时，他才开得这么慢。

youdao

In the United States alone, more than five million people are said to suffer from this slowly increasing brain disorder.

VOA: special.2009.09.15

p1 I said let's do this slowly enough that this p1 is in equilibrium with this p1, but not so slowly that this pressure is equivalent to that pressure.

我曾说过我们足够慢地使这边的1,与这边的p1平衡，但是没有慢到,这里的压强等于这里的压强。

麻省理工公开课 - 热力学与动力学课程节选

So here's what we find, and as you can see there -is this bass rhythm moving slowly or quickly?

那么,大家能看到,这个低音节奏是缓慢还是迅速

耶鲁公开课 - 聆听音乐课程节选

We're going to take this slowly and carefully, and we're not going to be irresponsible.

WHITEHOUSE: Press Briefing

This slowly moving clump was composed entirely of sodium atoms, effectively turning light into matter.

BBC: NEWS | Science/Nature | Cool clouds turn light to matter

There's a low rumble at idle, and above 4, 000 rpm this slowly rises in urgency.

FORBES: Test Drives