口腔期 meaning in English

oral stage

My nephew is not more than 1 age , is in the mouth period typically , to bite what he finds , once eat off one third of my book kang xi emperor on my bed , i don ' t care the book if he finished it , i only care , when he was in anus period , if he will shit a book of kang xi emperor out
我的小外甥不到一岁，现在是典型的口腔期，见什么咬什么，一次将我床上的一本《康熙大帝》吃掉了三分之一，就算他把这本书全吃了也没有什么，我唯一担心的是，他到了肛门期的时候会不会屙出一本《雍正王朝》来！