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溶ける， 融ける， 解ける， 熔ける， 鎔ける， とける
1. to melt, to thaw, to fuse
2. to dissolve
熔化，融化；溶解
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
