childhood, adolescence and adulthood是什么意思？

childhood, adolescence and adulthood

童年、青少年及成年

childhood

n. 童年，儿童时代，早期；

例句
I have been an asthmatic from childhood and was never able to play any sports.
我从小就患有气喘病，参加不了任何体育活动。

adolescence

n. 青春期，青年期；

例句
As an account of adolescence it could hardly be bettered.
作为描写青春期的书，它已几臻完美。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

adulthood

n. 成年，成人期，“adult”的派生；

例句
Inhibition in adulthood seems to be very clearly a reflection of a person's experiences as a child.
一个人成年期的情感压抑似乎很明显是其童年时期经历的反映。