impeachment的复数形式怎么拼写？

There are grounds for impeachment.存在弹劾的理由。The verdict resulting from his impeachment destroyed his political career.他遭弹劾后得到的判决毁了他的政治生涯.Comments about impeachment are rife in all media.所有新闻机构都对弹劾问题发表评论....

impeachment的音标：impeachment的英式发音音标为：[ɪm'pi:tʃmənt]impeachment的美式发音音标为：[ɪm'pitʃmənt]...

n.弹劾，控告，怀疑...