Adults can feel happiness
大人───adult;幸福───happiness
Children must be accompanied by an adult.───儿童必须要有大人陪同。
An adult hedgehog can boast 7,500 spines.───一只成年刺猬能有多达7500根刺。
Each ticket admits one adult.───每张票只准许一位成人入场。
(of a bird) having reached full development with fully grown adult plumage; ready to fly.───(指鸟)完全长好了成熟的羽毛;准备飞翔。
Not long ago, my now-adult daughter called from New York to let me know about a medical scare she was facing.───前不久,已经长大成人的女儿从纽约给我打电话,告诉我她正面临的医疗危机。
"Deutsche Bank does not approve of any adult entertainments and such expenditures will not be reimbursed, " the memo said.───该备忘录称:“德意志银行不会批准任何成人娱乐,这类费用不会报销。”