随着时间的推移，他的暴躁脾气渐渐变得温和了。

Over time, his temper has been ___mellowing into something more gentle.

红酒在橡木桶中存放几年后，口感会变得更加柔和。

The red wine spent years in oak barrels, ___mellowing its sharp flavor.

随着年龄的增长，他的脾气变得温和了许多。

His temper has been ___mellowing with age.