Adam's apole
A：Tom has grown six inches within a year.
A: 汤姆一年内长高了六英寸。B: He has reached puberth. His mind and body both will change a lot.
B：他已经到发育期，身心都会发生很大的变化。
A: Yeah,do you see his Adam's apple? It becomes bigger.
A: 是呀，你看见他的喉结了吗?变大了。B: Time is flying. I still remember everything when he was a child.
B: 时光过得可真快啊。我现在还记得他小时候的情景。