Then suddenly , at last , a voice came over the intercom : " is there someone in there ? "
突然,对讲机中传来一个声音:“有人在里面吗?”
When nature calls we alert the flight attendants on the intercom . The attendants set up a barrier to the cockpit and give us an all-clear signal to open the door as we don 't have a separate bathroom and have to use the same one as everyone else .