1.Infant 嬰兒(Birth to two years)

例句：The soft modulation of her voice soothed the infant.

她柔和的聲調(diào)使嬰兒安靜了。

2.Child小孩(3-9 years)

例句：I hugged each child.

我擁抱了每個(gè)孩子。

3.Adolescent 青少年(10-19 years)

例句：The Shanghai of the 1990’s is growing like an adolescent.

20世紀(jì)90年代的上海像少年一樣迅速成長。

4.Young adult 年輕人(20-29 years)

例句：Since it was published, it had been awarded successively “ Best of the Best Young Adult Books from 1960 to 1974”, “Outstanding Children’s Book of 1968” and “ Boston Globe- Horn Book Award in 1969.”

《豬人》一書先后被評(píng)為 1960-1974 年出版的少年文學(xué)作品中“最中之最”; 一九六八年度“最杰出的少年文學(xué)作品”及一九六九年“波士頓全國號(hào)角圖書獎(jiǎng)”。

5.Adult 成年人(30-39 years)

例句：They enjoyed stories about adult naughtiness.

他們喜歡有關(guān)成年人頑皮的故事。

6.Middle age 中年(40-60 years)

例句：Middle age has its compensations.

中年也會(huì)有其代償物；中年自有其可取之處。

7.Old people/The aged 老年人(Age 60 onward)

例句：Old people are sometimes forgetful.

老人有時(shí)愛忘事。

8.End of Life (生命終止)

例句：Death is the necessary end of life.

死亡是生命必然的終結(jié)。