Scientists are placing robotic (机器人的) dogs in the homes of lonely old people to test whether they can improve the quality of life for humans.Alan Beck,an expert in human-animal relationship,and Nancy Edwards,a professor of nursing,are leading
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/01 02:08:39
xVF64BiEF8pn`$]ѤJA`.s/ɕd_` Wy5:i}VrZV*OPGWo~zJ8jRo(*_)^y[|kI%Ť65N
/;mMꥂHU>kWzRHU=4ڪ@V']MJvE>)7:1
*Uu!bwK}7>ePbJ4lHUEE'8d|0ڀFp՟̲)r9֔eψcp
MeX6?[