expulsion
noun [ C or U ] uk/ɪkˈspʌl.ʃən/ us/ɪkˈspʌl.ʃən/
(MAKE LEAVE)
驱逐，赶走;开除
(the act of) forcing someone, or being forced, to leave a school, organization, or country
They threatened him with expulsion from school. 他们威胁要把他开除出学校。
This is the second expulsion of a club member this year. 这是今年俱乐部第二次开除成员了。
(AIR/LIQUID)
呼出;排出;喷出
(the act of) forcing air or liquid out of something