“预告片”的英语？

我看过以他的回忆录改编成电影的预告片.I watched a trailer for the screenplay of his memoirs.有些电影预告片甚至比它们宣传的电影还精彩.Some trailers are even more exciting than the movies they advertise.今天暴雪放出了一部正在制作中的为即将到来的大型多人在线游戏魔兽世界准备的预告片.Today Blizzard...