-----------------------------------
鎮静， ちんせい
1. calming down, settling down, quieting down, quietening down, subsiding, pacification, appeasement
2. sedation
tbd
-----------------------------------
化， か
1. change to ..., becoming ..., making into ..., -ization, -ification
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
