“成年”的英语可以翻译为：grow up，come of age，adult，grown-up，be of age ...

“成年”的反义词：幼年。...

一代又一代的成年人和儿童都很喜欢这个故事。Generations of adults and children have delighted in the story.终场一幕让50,000名成年观众惊叹得张大嘴站了起来。The finale had 50,000 adults standing in open-mouthed wonderment.普通成年男子每天消耗的热量为1,500到2,000卡路里。The average adu...

“成年”的拼音为：chéng nián...