spoilsport的复数形式怎么拼写？

spoilsport的音标：spoilsport的英式发音音标为：['spɔɪlspɔ:t]spoilsport的美式发音音标为：['spɔɪlspɔrt]...

Don't be such a spoilsport!别让人扫兴！Accuse me of being a spoilsport and I will plead guilty.说我是个让人扫兴的人,我也承认....

n.扫兴的人...