infancy
🇺🇸
/ˈɪnfənsi/
🇬🇧
/ˈɪnfənsi/
the time when someone is a baby
Many diseases that were once common in infancy are now preventable with vaccines.
かつて幼児期に一般的だった多くの病気は、現在ワクチンで予防可能です。
the early stage of something
The technology is still in its infancy and has much room for growth.
この技術はまだ初期段階にあり、成長の余地が大きくあります。