But somehow I got my days mixed up and didn't realize the mistake until now.
可是不知道怎么回事,我把日期弄错了,而且到现在才知道这个错误。
a flight attendant told us to keep calm and to get off the plane quietly as soon as it had touched down.
一位空中乘务员告诉我们要保持镇静,待飞机一着陆,就马上不声不响地离开飞机。