duplication

中文： 复制、重复、副本

1. The act of duplicating. (countable, uncountable)
2. A duplicate. (countable, uncountable)
3. A folding over; a fold. (countable, uncountable)
4. The act or process of dividing by natural growth or spontaneous action. (countable, uncountable) · duplication of cartilage cells
5. The act of copying a nucleotide sequence from one chromosome to another. (countable, uncountable)
6. A nucleotide sequence copied through such a process. (countable, uncountable)

复数 duplications