downer的复数形式怎么拼写？

We've been on a bit of a downer since the Liverpool game.自从利物浦比赛以来，我们一直有点沮丧。For divorced people, Christmas can be a downer.对离异的人来说，圣诞节令人感伤。Not getting the promotion was a real downer.未得到提升真让人很沮丧。...

n.镇定剂，令人沮丧的人...

downer的音标：downer的英式发音音标为：['daʊnə(r)]downer的美式发音音标为：['daʊnɚ]...