Aopa
abbr. Aircraft Owners and Pilots Association 航行器所有者和飞行员协会; American Orthotic and Prosthetic Association 美国矫正修复协会; anomalous origin of unilateral pulmonary artery 单侧肺动脉异常起端
🗣️ 情景例句
I did my thesis on Sino-American Business Relationship.
我做的论文题目是中美贸易关系。
To blow smoke rings
喷出烟圈
I think that maybe his Chinese teacher will give Jim some work to do during the holiday.
我想吉姆的汉语老师也许会给他布置一些假期作业。