那可能发生的，但属于非正常的变化，但是可能主链的化学变化将核苷酸结合在一起。

That can happen but that's abnormal, but changes in maybe the chemistry of the backbone that holds the nucleotides together.

youdao

毕竟，这种情况在某些地方正在发生，尽管这种变化通常开始于食物链的顶端。

This is, after all, what is happening in other places, though usually the changes start at the apex of the food web.

youdao

这基本上反映了亚洲供应链的变化。

It largely reflects Asia's changing supply chain.

youdao

That can happen but that's abnormal, but changes in maybe the chemistry of the backbone that holds the nucleotides together.

这可能发生的,但属于非正常的变化,而是改变诸如维持核苷酸序列的,主链的化学结构

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