篝火熄灭后，木炭还在闷烧，散发出缕缕青烟。

The charcoal kept ___smoldering after the bonfire went out, releasing wisps of smoke.

尽管她没有表现出来，但内心对这件事的不满情绪仍在郁积。

Though she didn't show it, the resentment ___smoldered within her about the incident.