To portray human emotions, they rely on a unique facial animation system developed at PDI/DreamWorks.

为了表现人类的感情，他们靠的是PDI/梦工厂研发出来的一套独特的脸部动画系统。

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To portray human emotions, they rely on a unique facial animation system developed at PDI/DreamWorks.

为了表现人类的感情，他们靠的是PDI/梦工厂研发出来的一套独特的脸部动画系统。

youdao