twelve-year-old

英 [t'welvj'ɜːr'əʊld] 美 [t'welvj'ɜːr'əʊld]

• adj. 十二岁的

twelve-year-old的用法和样例：

例句

用作形容词 (adj.)

1. His voice began to change when he was 12 years old.
   当他十二岁的时候他的声音深化了。
2. She was only twelve at the time of liberation.
   解放那时节她才十二岁。