她播放轻柔的音乐来安抚孩子烦躁的情绪。
She played soft music to ___pacify the child's restless mood.
母亲用温柔的歌声安抚了哭闹的婴儿。
The mother ___pacified the crying baby with a soft lullaby.
警察使用了非暴力手段来平息骚乱。
The police used nonviolent methods for ___pacifying the riot.