You got kids like me who haven't hit their growth spurt yet mixed in with these gorillas who need to shave twice a day.

我这种还没到青春发育期的小孩跟那些一天得刮两次毛的“大猩猩”混在一起。

Now during development, the fetus doesn't use the lungs yet, and relies on oxygenated blood from the placenta that comes into the right atrium.

在胚胎发育期，胎儿的肺还没有使用，其主要依赖于来自胎盘进入到右心房的氧合。

He told the Associated Press that " the word was used in the 19th century in a medical sense, for the physical characteristics of a developing teenager."

他对美联社表示，“19世纪，这一词汇被应用于医学领域，指的是处于发育期的青少的身体特征。”