The transition from exclusive breastfeeding to complementary feeding (which includes continued breastfeeding) typically covers the period from 6 to 18-24 months of age.

从完全母乳喂养过渡到补充喂养(包括继续母乳喂养)通常涵盖年龄为6至18—24个月这一时期。

youdao

There's sort of a period around the age of four, four and a half, where kids make the transition from failure to success.

儿童在大约四岁四岁半时,会发生从失败向成功的转变

youdao

Though the industry's coming of age is still some way in the future, this launch marks its transition from childhood to adolescence.

虽然业界的“成熟期”（固定盈利时期）仍然遥不可期，但是这次发射标着行业已完成了从“儿童期”（探索时期）到“青春期”（迅速发展时期）的过渡。

youdao

There's sort of a period around the age of four, four and a half, where kids make the transition from failure to success.

儿童在大约四岁四岁半时,会发生从失败向成功的转变

耶鲁公开课 - 心理学导论课程节选

The start-up aims to help adults over age 50 in southeast Michigan transition to new careers, entrepreneurship and volunteer service.

FORBES: Train like Muhammad Ali: Read These Tips For Boomer Entrepreneurs

As we transition into the age where the accessibility of connected sensor devices becomes available, the opportunities for optimizing global systems seem almost endless.

FORBES: How The Internet Of Things Will Change Almost Everything

The other investment-banking co-head, Steve Black, who is nearing retirement age, will leave after a transition period.

ECONOMIST: American bank bosses