dinucleotide

例句：

1. 1.The dinucleotide sequence is the building block of DNA.
   二核苷酸序列是DNA的构建块。
2. 2.This protein contains a dinucleotide repeat sequence.
   这个蛋白质含有一个二核苷酸重复序列。
3. 3. The study of dinucleotides has led to new insights into genetics.
   对二核苷酸的研究已经为遗传学带来了新的洞见。