And at around 10 months, their brain activity compares to that of premature human infants.

在大约 10个月大时候，其大脑活动与早产儿类似。

So if a premature infant takes a breath of harsh, dry air, the immature alveoli can be badly overworked and start to scar, which could lead to chronic lung disease.

所以如果早产婴儿吸入了干燥、刺激空气，不熟可能会过度劳累并开始形瘢痕， 这可能导致慢性病。

The problem was that when oxygen was limited to many of these premature infants, their brain didn't get enough oxygen to develop. Many of them developed retardation.

问题在于，当许多早产儿氧气受到限制时，他们大脑无法获得足够氧气来发育。他们中许多人发展迟缓。

This is a big cause of health problems in these premature infants and surfactants really change the game for neonatal care.

这是这些早产儿康问题主要原因，而表面活性剂确实改变了新生儿护理格局。

While it rarely occurs in full-term infants, it is most common in premature infants.

然在足月婴儿中很少发生，但在早产儿中最为常见。

Premature infants face a host of complications, but their tiny, underdeveloped lungs are especially at risk.

早产儿面临一系列并发症，但他们部尤其脆弱，因为部尚未发育完全。