But it was still possible to vaccinate people in other high-risk groups: health care workers, people 20 infants and healthy young people.
但仍然可以为其他高风险群体的人接种疫苗：医护人员、20 名婴儿和健康的年轻人。
Infants are wired to look at parents’ faces to try to understand their world, and if those faces are blank and unresponsive – as they often are when absorbed in a device – it can be extremely disconcerting for the children.
婴儿天生就会注视父母的脸，以试图理解他们的世界，而如果这些脸是空白且无反应的——就像他们专注于设备时常常那样——对孩子来说会非常令人困惑。
Kung children as young as four will help to look after younger ones and "baby-wearing", in which infants are carried in slings, is considered the norm.
库恩的孩子们，小到四岁，都会帮忙照顾更年幼的孩子，而‘背带育儿’（即用背带携带婴儿）则被视为常态。
It found that infants had an average of 14 alloparents a day by the time they were 18 weeks old and were passed between caregivers eight times an hour.
研究发现，当婴儿满18周时，他们平均每天有14个代养者，并且每小时会被传递给照料者八次。
carrying infants around by their parents
由父母抱着婴儿四处走动
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。