日期:
来源:雅诚德英语网
Yuguang Zheng and Shuyin Yang were retired and in their 60s. A pediatrician and a chemist respectively.
郑宇光和杨树荫60多岁,已经退休,分别是一名儿科医生和化学家。
Yuguang Zheng and Shuyin Yang were retired and in their 60s. A pediatrician and a chemist respectively.
郑宇光和杨树荫60多岁,已经退休,分别是一名儿科医生和化学家。