llama的复数形式怎么写？

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llama的音标：llama的英式发音音标为：['lɑ:mə]llama的美式发音音标为：['lɑmə]...

The llama has a lame leg.那只美洲驼有一只腿瘸.A pig and a guard llama also live on the farm.猪和骆驼农场里也有.Betty is trying to spin enough llama yarn to make a sweater.贝蒂想纺出足够的驼毛线来织毛衣....