Place on top of the infusion pan, and warm over a gentle heat, stirring until melted. This takes about 10 minutes.

然后把碗架在装花朵浸液的锅子上面用慢火隔水加热，并搅拌至碗中物融化。

youdao

Cooked by gentle heat at least more than two hours, Canton soup is not only of good taste, but also abundant of the love from the cook.

广东的老火靓汤经过至少两小时的温火煮熬，不仅美味好喝，而且满载着煮汤者的爱心。

youdao

Ms. Louis said that salt-roasting provides even, gentle heat and prevents moisture from seeping out.

WSJ: Jenn Louis's Rock-Salt-Roasted Salmon and Turnips | Slow Food Fast

Stir continuously over gentle heat until thickened.

NPR: Hail to the Chef

This describes how sunlight falling on a rotating asteroid and subsequently re-emitted as heat can give it an amazingly gentle push.

ECONOMIST: Celestial mechanics: A rock in a hard place | The