A word which can be said to interrupt someone mid-explanation. If the explanation is really long, and tedious, then the listener can suddenly shout 'Beausejour', and the events which follow are at the shouters risk.
Alex: I find that x squared, minus the squared root of 2 raised to the power of 5 multip-
作者 Ashdo_Lover 2011年6月10日
Can you define these popular missing words?