自由转换，或定制旋律，都可以玩得得心应手。
With the free transformation, or custom-made the melody, all may played handily.
RNA与DNA的遗传密码有些轻微不同，但是可以自由转换。
The genetic codes of RNA and DNA are slightly different, but are freely interchangeable.
并且我还可以增加自己运用这两种语言自由转换的能力。
And I could gain the skills of translating freely between two languages.
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