人类面部表情的表现不同于动物的层面是,它们(人类的面部表情)是可以控制的.
facial面部表情
expression表现
degree层面
Human facial expressions 【differ from those of animals指代facial expression的定语从句 】in the degree 【to which they can be controlled指代degree的定语从句】
人类面部表情的表现不同于动物的层面是,它们(人类的面部表情)是可以控制的.
facial面部表情
expression表现
degree层面
Human facial expressions 【differ from those of animals指代facial expression的定语从句 】in the degree 【to which they can be controlled指代degree的定语从句】