Roundel
n. 圆形饰物, 小圆盘
📖 牛津释义
oundel
n
circular identifying mark showing nationality, used on military aircraft of some countries 圆形标志（表示国别的符号, 用於某些国家的军用飞机上）.
🗣️ 情景例句
I have been talking to a group of salesmen
我一直在与一群推销人员谈话
Friendship should not be all on one side.
友谊不该只是单方面的事。
I can see why you are having some problems with it.
我明白为什么你用起来会有问题了。