generation gap 代沟
late-forties 年近50
mid-thirties 35岁左右
toddler 初学走路的孩子
adolescent 青少年
life expectancy 平均寿命
mature 成熟
pension 退休金
give birth 分娩
become pregnant 怀孕
1.我20出头.
2.他明天满20岁.
3.你认为什么年龄生小孩比较好?
4.你化了装显得大些.
5.她一毕业就结婚了.
答案如下：
1. I am in my early-twenties
2. He is 20 years old tomorrow.
3. When do you think it is a good age to have a child?
4. You look older when you wear make-up.
5. She got married as soon as she left school.