iguana的复数形式怎么写

With an iguana, you really don't have to say surprise.惊喜两字已经不足以形容这只鬣鳞蜥了.Suddenly, he found a lizard window to his desk, he saw the iguana extremely happy.突然, 他发现一只蜥蜴从窗户外跳到他的书桌上, 他看到那只蜥蜴高兴极了....

iguana的音标：iguana的英式发音音标为：[ɪ'gwɑ:nə]iguana的美式发音音标为：[ɪ'ɡwɑnə]...

n.鬣鳞蜥（产于中美洲和南美洲）...