唯一一个没有发育完全的重要器官是他的肺。

The only major organ still not fully developed is his lungs.

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DHA构成了大脑和眼睛视网膜的绝大部分，缺乏DHA会对这些器官的功能和发育产生不利影响。

Because DHA makes up a large portion of the brain and the retinas of the eyes, a deficiency could negatively impact the development or function of these organs.

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新生儿的器官系统迅速发育，也可能更易受到一定影响。

The newborn, with rapidly developing organ systems, may also be more vulnerable to certain effects.

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