cesspit的复数形式怎么拼写？

cesspit的音标：cesspit的英式发音音标为：['sespɪt]cesspit的美式发音音标为：['sɛsˌpɪt]...

a cesspit of corruption堕落腐化的渊薮It was a kind of cesspit constantly seething with smallpox and bubonic plague.那里,几乎可以说曾经是天花和黑死病生生不息的污水坑....

n.污水坑...