日期:
来源:雅诚德英语网
Although there is no formal relationship with state and local academies of science, there often is informal dialogue.
虽然没有正式关系,与国家和地方院校的科学,有往往是非正式的对话。
Although there is no formal relationship with state and local academies of science, there often is informal dialogue.
虽然没有正式关系,与国家和地方院校的科学,有往往是非正式的对话。