Circumflecting
vt. 使弯成圆形；加高低音符；加音调符号；加长音符号
🗣️ 情景例句
He's a friend.
他是位朋友。
How could you do this?
怎么可以这样？
with their fellow scientists either in other countries or in universities,
和其他国家、其他大学同行们