punchline的复数形式怎么写？

Even then, the magical pause can strengthen the punchline.即使这样, 有魔力的停顿依然可以增强笑点.The pause adds punch to the punchline!停顿为笑点增强冲击效果!A good joke or a mystery novel has along wind up to the final punchline.好的笑话,或神秘小说,都是一路曲折,直...

punchline的音标：punchline的英式发音音标为：['pʌntʃlaɪn]punchline的美式发音音标为：['pʌntʃlaɪn]...

（指一整段笑话中最后几句最能引人发笑的）点睛之笔，妙语如珠...