1·The volunteers made up three age groups: young people in their twenties, middle-aged people in their forties, and older people in their sixties.
自愿者分为三个年龄组：20多岁的年轻人群，40多岁的中年人群和60多岁的老年人。
2·No, what I'm saying is that, when you are mature enough to know who you are in love with, it should not matter if they are forty-something and you are in your twenties.
不是的，我的意思是，当你足够成熟，知道自己爱谁的时候，如果你爱的人40岁左右，而你20多岁，这并不重要。
3·'I also think that women in their twenties are more conservative now than the previous generation, and they don't have role models.
我认为现在20多岁的女性比上一代更保守了，她们没有行为榜样。
1·He started going bald in his twenties.
他二十几岁便开始谢顶。
—— 《牛津词典》
2·A high proportion of crime in any country is perpetrated by young males in their teens and twenties.
在任何国家，很大比例的罪行都是十几岁和二十几岁的青年男子所为。
—— 《柯林斯英汉双解大词典》
3·And that's where a smiling man aged in his twenties came up to me as I was struggling to push my fully-laden bicycle along a cobbled street.
当我在鹅卵石街道上努力推我那满载的自行车时，有一个二十几岁的男人微笑着朝我走来。
4·They routinely die in their teens and twenties of childbirth, and so have a significantly shorter life expectancy than men.
她们经常十几岁、二十几岁就于产娩中死亡，所以平均寿命比男人明显地短。
1·She'd had to wear her short, auburn hair flat like a twenties flapper for the play.
为了该话剧，她需要像二十年代年轻女郎一样将短褐色头发弄直。
—— 《柯林斯英汉双解大词典》
2·Bear phases are generally preceded by great booms: the railroad mania of the mid-19th century, the Roaring Twenties, and the Internet bubble.
熊市往往起于繁荣盛世之后：19世纪中期的铁路热，咆哮的二十年代以及网络泡沫。
3·The automobile financial service originates from the installment plan which automaker offered to users in the automobile sale around the twenties of the 20th century at first.
汽车金融服务最初起始于汽车制造商在20世纪二十年代向用户提供的汽车销售分期付款。
4·Then a young generation of Americans witnessed firsthand the devastation of World War II and vowed never again to repeat the mistakes of the twenties and the thirties.
一代年轻美国人亲眼目睹了第二次世界大战的毁灭性结果，发誓再也不重复二十年代和三十年代犯下的错误。
5·The Roaring Twenties ended with a crash.
“兴旺的二十年代”最终以崩溃而告终。