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次第に， しだいに
1. gradually, by degrees, little by little, bit by bit
逐渐，一点点
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治まる， おさまる
1. to die down (storm, anger, conflict, etc.), to calm down, to cool off, to abate, to be settled, to be brought under control
2. to be at peace, to be governed well
3. to subside (of pain, symptoms, etc.), to be alleviated, to get better, to ease of...
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
