infancy ['ɪn.fənt.si] noun uncountable ■the time when someone is a baby or a very young child 婴儿期,幼年•Her youngest child died in infancy.她最小的孩子在幼年时夭折了。 be in its infancy ■to be very new and still developing 在初期,在早期•The system is still in its infancy.这个体系尚处于初期发展阶段。 |