日期:
来源:雅诚德英语网
Both infant groups learned to look at that side of the screen in anticipation of the puppet.
两组婴儿都学会了在想看木偶时,看向屏幕的那一侧。
Both infant groups learned to look at that side of the screen in anticipation of the puppet.
两组婴儿都学会了在想看木偶时,看向屏幕的那一侧。