"Everyone is really good at telling everyone else how to live their life or how to be or do it."
VOA: standard.2010.03.08
What kind of things do you have to study to be good at aviation engineering?
你要学哪些课程来提高航空工程专业的技能?
来美国的理由 - SpeakingMax英语口语达人
应用推荐
模块上移
模块下移
不移动