Clarence screws up his face and imitates the Colonel again.
克拉伦斯又板起面孔，模仿上校的样。
《柯林斯英汉双解大词典》
3
Meanwhile, another AI company, Soul Machines, is taking a more biological approach, with a "digital brain", that imitates aspects of the human brain to adjust the emotions "felt" and "expressed" by its "digital people".